If cos x = 0.62 and P(x/2) is in QII, then cos(x/2) is equal to?

Q: Solve the following equations exactly in the interval [0,2pi ) sin2x cos x − cos2x sin x =−1 in the…

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Q: -6 2 1,0 6

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

Q: Find lul, Ivl, 12ul, · 121.14 lu+vl, lu- vl, and lul - lvl. u = (1, -3), v = (-4,-4) lul=√10 |v1 =…

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Q: Solve the following triangle. A=40°, B=20°, a=5   C= b= c=

A: Given query is to solve the triangle.

Q: (sin A)^4-(cos A)^4

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Q: what’s 2+2

A: Given  2+2=?

Q: Question 8 Simplify sin A cos A tan A + 2 sin A cos³ A sin 2A

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Q: If sin A = 3/5 with A in QII, and sin B = 4/5 with B in QI, find the following. cos(A + B)

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Q: - Solve for 8, where - 1/2 < 0 < 1/2 : sin(0 + π/6) = sin(0 — π/4) (Answer with decimal…

A: Use the trigonometric formula  for finding the theta.

Q: find t and the terminal point determined by t for each point in the figure. In exercise 21, t…

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Q: Solve the following quadratic function to find the x-intercepts: f(x) = x² + 12x + 27 x = 4 and -3 x…

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Q: Write J = AB in component from where Point A= vector (6,8) and point B = (5,7)

A: Given query is to find indicated vector.

Q: Find distances to the nearest unit. 9) Two lighthouses at points a and B are 40 kilometers apart.…

A: Let's find distance of freighter from A.

Q: Find the measure of the reference angle for each measure of 0. (3 points each) 28) 0 = 165° 29) 0 =…

A: CONCEPT When the terminal side is in the first quadrant (angles from 0° to 90°), our reference angle…

Q: Express the given sum or difference as a product of sines and/or cosines. sin 0+ sin 30 sin 0+ sin…

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Q: What is tan c

A: Applying tangent of angle C in triangle ABC

Q: Express the given product as a sum containing only sines or cosines.   sin(80)cos(30)

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Q: 7. Suppose sin(t) = 2/3 and that the terminal point of t is in Quadrant I. Find the exact values of…

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Q: 17. Find a possible equation of the graph at the right in the form y = tan (Bx). THE X = -1 X=1

A: see below the answer and explanation

Q: 5. Given the equation x and y. r = 7 sin(0) + 3 cos(0) Rewrite the equation using rectangular…

A: Given query is to find rectangular coordinate system.

Q: Using the figure below, find the measure of each acute angle for the right triangle in degrees.…

A: Given query is to find indicated angles.

Q: Establish the identity. cot (20) = cot ²0-1 2 cot 0

A: cot2θ=cot2θ-12cotθ

Q: Find the area of the triangle if b = 7 inches, c = 14 inches, and y = 94. Round to the nearest…

A: Given query so to find the area of the triangle.

Q: 3. Given the point (x, y)=(-40/3,40). Convert this point to polar coordinates, (r.), with r>0 and 0…

A: given  (x,y)=(-403,40)in polar coordinates    x2+y2=r2and     tan(θ)=yx

Q: The triangle below has sides with lengths a = 42, b = 62, and c = 79. Find the measure of the…

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Q: 36. Simplify the expression: tan (csc-¹(x)). Assume x is defined appropriately.

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Q: 23. A semicircle with radius 1 is partitioned into two adjacent sectors as shown below. 8 (a) Find…

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Q: 25 8.) - 16²5 + 12/23

A: We know  ⇒i2=-1 ⇒i4=1 Therefore i4k=1 , k =0,1,2,..

Q: Consider a boat heading due east at 15 miles/hour. The water's current is moving at 7.1 miles/hour…

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Q: Two residential buildings are to be constructed with a grassy recreational area between them. The…

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Q: Q.#15 Please prove the following trig identities/equalities. To do so, start with LHS (or RHS) and…

A: according to bartleby guideline we do only first part a)  cos(2θ)=1-2sin2θformula used is…

Q: Use the triangle shown on the right and the given information to solve the triangle. a=5, A=75°;…

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Q: 14. Find a possible equation in the form y = A sin(Bx) so that the first minimum of the graph to the…

A: The form of the equation is  y=Asin(Bx) The first minimum of the graph to the right of the origin…

Q: Verify that the trigonometric equation is an identity.   sec^4 x−sec^2 x=tan^4 x+tan^2 x

A: Verify that the trigonometric equation is an identity.

Q: Write the expression in rectangular form, x + yi, and in exponential form, re (-1-i)7 The…

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Q: 20. If the radius of a circle is 3 cm, then what is the measure of an angle that cuts an arc of…

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Q: tan (x-7)+ +1=0 2

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Q: 2sec² x - secx - 6 = 0.***

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Q: Find all of the solutions of the equation 6cos²x-cosx-1=0 on the interval [0, 360°]. Approximate…

A: To find all the solutions of the equation 6 cos2 x-cos x-1=0 on the interval 0, 360°.

Q: Use the product to sum formula to fill in the blanks in the identity below: sin(112) cos(6x) = - 1…

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Q: J 61² 8cm L K

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Q: A river flows due south at 2 mi/h. A swimmer attempting to cross the river heads due east swimming…

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Q: Find all solutions to the equation Sinx-cosx= sqrt2

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Q: 2 tan ² (1.4) - sec ² (1.4)= = |

A: NOTE: Refresh your page if you can't see any equations. . it is given that,

Q: Solve the equation on the interval [0,2pi). 2(sin x squared) - 3sinx +1=0

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Q: Which of the following functions have vertical asymptotes? Select all that apply. Tangent Cosine…

A: We have to tell the which trigonometric functions have vertical asympyotes

Q: Question 3 Using the t-method, solve the equation sin 0+2 cos=-2 for 0° ≤0 ≤360°.

A: By using the t‐method, to solve the equation sin θ+2 cos θ=-2 for 0°≤θ≤360°.

Q: Hey can you show the solution in a piece of paper or some sort of visual?

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Q: Q#13 Given sine-with <<*, please do the following. a) Show prep work here (Triangle with sides…

A: We will find the required.

Q: #3: A slide at the playground is 38 inches high. The angle of elevation from the bottom of the stide…

A: Since you have asked multiple question, we will solve the first question for you as per our guide…