Use a half-angle formula to find the exact value of sin 22.5°. sin 22.5° = 0 8

Q: Sin (0+π/2)=cose

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Q: how many solutions does tan 3x = a have/ less than 2 pi but greater than 0

A: Find the  number of solution  of question. We will find the solution  using graph of tan 3x.

Q: Find the dot product 《2,3》• 《5,5

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Q: 4. Sketch a graph of the hyperbola: (y + 1)² (x-3)² 25 36 = 1

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Q: Prove the identity. cotx (1-cos2x) = sin 2x

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Q: 3.2 Conversion between radians and degrees? Degrees to Radians: Radians to Degrees: a) 60° = b) 120°…

A: Note: As per our guidelines, we can solve first three sub parts. Please repost the remaining parts.

Q: Determine the values of ? if 0 ≤ ? ≤ 2? given that cos ? = −0.3178

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Q: A camera is at ground level 20 feet away from a building and focusing on a point 200 feet high.…

A: The objective of this question is to find the angle of elevation of the camera. This is a…

Q: Find the exact values for the six trigonometric functions of the angle 0 in the figure. ... 2 11…

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Q: Solve the equation in radians for all exact solutions where appropriate. Round approximate answers…

A: Given thatTo find the solution

Q: Prove the identity. 6(tan(x) cot(x)) tan²(x) - cot²(x) Factor the denominator and then simplify. = =…

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Q: Find all solutions to 2 sin(0) = -√√2 on the interval 0 ≤ 0 < 2π == 0 = Give your answers as exact…

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Q: 55-62 Real Zeros of a Polynomial A polynomial P is given. (a) Find all the real zeros of P. (b)…

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Q: Identities cos¹ x+cos (-x) -- sec¹ x = tan x tan¹ (-x)-. R/2 I sin sec¹ x = Page 3 of 3

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Q: A 24-foot ladder is resting against a wall of a building in such a way that the top of the ladder is…

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Q: Let ƒ(x) = e15—16x and let the inverse function of ƒ (x) be f-1 (x)

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Q: Bob works for NASA designing planetary rovers. For his current project, he has to design a rover…

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Q: An equation of a parabola is given. (y + 3)² = 28(x – 5)

A: An equation of a parabola is given(y+3)2=28(x−5)

Q: Establish the identity. 1+ tan 0 cot 0+1 1-tan 0 cot 0-1 Which of the following four statements…

A: We have to prove, .We know,

Q: Prove that the following equation is an identity. csc x-sin x cot x Choose the correct answer below.…

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Q: Find the exact value of the following under the given conditions: cos (a + b) tan(a+ß) sin(a+ß) 3 8…

A: Signs of trigonometric functions according to quadrant of unit circle.

Q: 2. Solve for x in the equation: sin 2x = 2 cos x. C. 90° D. 100° A. 80° B. 95°

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Q: 2. Solve the inequality to two decimal places where 0 ≤ x ≤ 2π, 4 cos(x) + 2 > π

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Q: tan theta cos^2 theta = (2tan theta cos^2 theta - tan theta)/(1 - tan^2 theta

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Q: Find the nth partial sum of the arithmetic sequence. an = 7-n; n = 40 S40 = Need Help? Watch It…

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Q: Prove that the following equation is an identity. tan x CSC X cot x CSC X CSC X cot X Choose the…

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Q: A cadet rappelling down a cliff on a rope needs help. A cadet on the ground pulls tight on the end…

A: Let h be the height above the ground is the cadet on the ropeFigure

Q: Verify the identity. 1 + cos(x) + sin(x) = 1 + sin(x) 1+ cos(x) sin(x) cos(x) 1 + cos(x) + sin(x) 1+…

A: verify the given identity

Q: Use the given information to find the exact value of each of the following. a. sin 20 b. cos 20 c.…

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Q: For the following graph, list the period and amplitude and state the equation for the graph in both…

A: The standard equation of cosine and sine function Amplitude time period phase shift vertical shift

Q: C A 15° 120 ft B

A: In right angle triangle, the tangent of an angle is the length of the opposite side divided by the…

Q: 7T 12 COS COS 뜸 + sin sin 5T 12

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Q: 18 sc (sin-¹ 16) 30 CSC

A: to find the exact value of

Q: Prove that the following equation is an identity. 2 2 (3+ sinx) + cos x = 10 + 6 sinx

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Q: 5) Consider the right triangle and find x: 18 51⁰ X

A: Consider the figure

Q: The height of the tree is approximately feet. (Round to one decimal place as needed.)

A: Given that the angle relative to the horizontal from top a tree to a point 14 feet from its base is…

Q: QUESTION 10 Calculate the magnitude of vector u = . O 12 09 05 O 16

A: The objective of this question is to calculate the magnitude of a vector. The magnitude of a vector…

Q: Exercises 13-18: Evaluate each of the following, if possible. Give results in both radians and…

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Q: Calculate the magnitude of vector u =  &lt;3, 4&gt; .

A: The objective of this question is to calculate the magnitude of a vector. The magnitude of a vector…

Q: Please see A -D do not understand those

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Q: Find the sum. 5 Σk² k = 1

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Q: Consider the following. -2 A = 3 -1 0 -1 2 -4 3 3 (a) Find A + B. (b) Find A - B. (c) Find 2B. (d)…

A: The given matrices

Q: A bridge is to be built across a small lake from a gazebo to a dock. The bearing from the gazebo to…

A: The figure

Q: Write the trigonometric expression in terms of a single trigonometric function. cos2 7a -sin2 7x

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Q: Use the value of sec 0 =2 for acute angle 0 to find the following trigonometric function values. a.…

A: to find following use sec (theta) = 2 a.cos thetab.sin theta c.tan theta d.tan(90-theta)

Q: QUESTION 4 Given A = 30°, a = 15, and B = 60°, use Law of Sines to find c. Round to three decimal…

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Q: evaluate tan-1(tan(5pi/6))

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Q: An equation of an ellipse is given. (x − 2)² + (y − 3)² = 1 9 4 (a) Find the center, vertices, and…

A: Consider the equation of ellipse

Q: Evaluate the indicated minor and cofactor for the following determinant. 3 -2 3 2 5 0 -3 3 M13= C13…

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Q: Solve 2 sin²(x) - 3 sin(x) – 2 = 0 for all solutions 0 < x < 2π x = Give your answers accurate to 2…

A: We solve the given problem using the quadratic formula and  the trigonometry concepts.sin= -sinx…