find the exact value of tan 255° using a sum or difference identity

Q: Given the arithmetic sequence an with a = -7 and d = -9, find a3.

A: Given query is to find a3 .

Q: 0. Determine the exact values of each expression for the given value of Note: Your answers must be…

A: 1)  sin2θ=2sinθcosθwhen θ=π4sin2θ=2sinπ4cosπ4

Q: a b = C= B B = b Note: Triangle may not be drawn to scale. Suppose a = 11 and A = 40 degrees. Find:…

A: The triangle has measures a=11 and A=40°. We have to find the missing values.

Q: What are the polar coordinates of the point Q shown below? Q 2 3

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Q: cos(x − 3) - Rewrite cos x in terms of sin(x) and cos(x).

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Q: Solve the triangle. b=10, c=9, A= 50° C≈ (Round to two decimal places as needed.) (Round to one…

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Q: From city A to city B, a plane flies 850 miles at a bearing of N 58° E. How many miles north and how…

A: Given query is to find the distance traveled bybthe plane.

Q: Find the product 2₁22- 21 = 6 (cos 90° + i sin 90°) and 22₂ = 5 (cos 100° + i sin 100°)…

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Q: find the vertex, focus, and directrix of the parabola given by each equation. Sketch the graph (x +…

A: Topic:- geometry

Q: Write the expression in condensed form. 8h-10h

A: Given query is to condense the logarithmic expression.

Q: find the vertex, focus, and directrix of the parabola given by each equation. Sketch the graph (x -…

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: 2. Given that cos u = - 3 and that u lies in quadrant 2, find sin(2u) and cos(2u).

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Q: the vertex, focus, and directrix of the parabola given by each equation. Sketch the graph (y - 1)2…

A: Given: (y - 1)2 = 2x + 8

Q: Solve the triangle. CN (Round to two decimal places as needed.) A≈ (Round to one decimal place as…

A: Given query is to complete the triangle.

Q: The count in a bacteria culture was 300 after 10 minutes and 1600 after 35 minutes. Assuming the…

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Q: Sketch the graphs of the following: 1. y 3 sin x

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Q: Establish the identity. 3π COS - 2 Choose the sequence of steps below that verifies the identity.…

A: NOTE: Refresh your page if you can't see any equations. . the left-hand side is,

Q: Solve: 8x4 + 12x³ + 10x² = -15x

A: Given Equation:- 8x4+12x3+10x2=-15x

Q: a) Em g) 47 b) 4 h) 7 ) 27 i) 18

A: Since you have asked multiple question, we will solve the first 3 sub part of first question for you…

Q: If cos(y) = and y is in the first quadrant, find cot² 2/1.

A: Ans=4 For detail...go through the solution...I have solved step by step in detail

Q: For f(x) = 5 and g(x) = 3x² + 2. find the domains and ranges of f, g, f - g and 97-4

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Q: 2. The population of a ski-resort town, as a function of the number of months into the year, can be…

A: We have to graph one cycle and find the equation of population.

Q: find the length of an arc that subtends a central angle with the given measure in a circle with the…

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Q: Find the exact solution of the equation. 6 tan -1. X=T ... The solution set is. (Simplify your…

A: Given query is to find the solution of the expression.

Q: 2 If sin t = 3, and t is in quadrant I, find the exact value of sin (2 t), cos (2 t), and tan (2 t)…

A: Given: sin t=23 and t is in the quadrant I   To find: sin(2t), cos(2t), tan(2t)

Q: Find the length x to the nearest whole number. 24° 270 460 X L X≈ (Do not round until the final…

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Q: Solve the system of equations. 4x² + y² = 25 z+y=5 ordered pa

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Q: Find the area K of the triangle. K= square units (Round to two decimal places as needed.) ... B 6 8…

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Q: Graph the curve whose parametric equations are given and show its orientation. Find the rectangular…

A: The parametric equations are given as x = 2cos(t)     and     y = 3sin(t)

Q: is the rac circle and 0 is the measure of the central angle in radians. In Exercises 93 to 96, find…

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Q: A soccer goal is 8 yards wide. Suppose a goalie is standing on her line in the center of her goal as…

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Q: Solve the inequality and write the solution in interval notation. ²+8+12 ≤0 U

A: x2+8x+12≤0x2+6x+2x+12≤0x(x+6)+2(x+6)≤0

Q: Determine if the sketch of the graph represents an even function, an odd function or neither. y-axis…

A: Graph of the functions are given, we have to find it is odd, even or neither.

Q: If tan = 10/5, and if cos 0 <0, then sec = cos = sin 0 = 9. 1- 9.

A: according to bartleby guide line we do only first three parts of muttiparts given tanθ=105 and…

Q: Suppose an Egyptian mummy is discovered in which the amount of carbon-14 present is only about…

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Q: Identify the domain and range of each. Then sketch the graph. -1 5) y=tan ¹ 3x 4-B 24 2 3x 3m 2 R 2…

A: The graph and domain of function is given below

Q: Find the exact value of each expression. tan 5) sin-¹ 1 cet S 2) cos 4) csc-¹ 2√√3 3 6) cos-¹. 1 2

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Q: Find zw and. Leave your answer in polar form. W 19. z = cos 205° +isin 205° w = cos 85° +isin 85°…

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Q: A child enters a carousel that takes one minute to revolve once around. The child enters at the…

A: We have to find the position of child after 60 seconds.

Q: Use the given information to find (a) sin (s+t), (b) tan (s+t), and (c) the quadrant of s+t. 3 and…

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Q: Sketch the graphs of the following: 3. y = 2 cos x

A: The Answer is in step 2.

Q: tan α = 1 4 x in quadrant II

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Q: would I get the equation with this graph? The anchor point is (4,0) and I tried the equation…

A: Given query is to find the equation of the graph.

Q: A perfect triangle is a triangle whose sides have whole number lengths and whose area is numerically…

A: To show that the given triangle is a perfect triangle.

Q: A right triangle has a hypotenuse of length 2 inches. If one angle is 34°, find the length of each…

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Q: Which of the following are solutions to the following equation where 0 ≤ 0 < 2π 2 sin(30) = 1 Select…

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Q: Newton's Law of Cooling says that the rate at which a body cools is proportional to the difference C…

A: given  f(t)=T0+Ce-ktgiven  freezer temperature is  0° Finitial tenp,erature ia  155° Fafter 5 min…

Q: The angle θ is in standard position with a terminal arm in quadrant IV. If sin θ =−1/5 , find the…

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Q: Write the standard form equation of the parabola with directrix y = 4 and vertex at the origin.…

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Q: olve the triangle. b=12, c= 7, A=40° (Round to two decimal places as needed.) (Round to one decimal…

A: Given query is to solve the triangle.