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Q: Use a double angle formula to find the exact value of 2cos2(pi/6)-1. Type an exact answer using radi...

A: Given:

Q: 0 2.1.17 Question Help Suppose ABC is a right triangle with sides a, b, and c and right angle at C. ...

A: The given figure is,

Q: Find the exact value of the given expression sin(2 cos)) 17

A: Refer to the question, we have to find the value of the provided expression,

Q: Find the exact values of the following and simplify. Indicate if an expression is undefined. Solve w...

A: To find ALL the values of x satisfying the equation cos (x) =-1

Q: A point is rotating with uniform circular motion on a circle of radius r. Find v if r 3 inches and w...

A: Given radius and ω are 3 inches and 5 rad/sec, respectively.

Q: photo attached

A: sinA=15/17 and A is in quadrant IIThere cosA will be negative.CosA= -8/17

Q: Hi, My homework is asking for me to express 2^8 using base e. How do I do that?

A: Given,

Q: establish the following identities: sin3x=(sinx)(4cos^2 x-1)

A: Given,

Q: sin2 x cos2 4. sin x- cos4 x X - - 1 4

A: To prove that the left-hand side is equals to the right-hand side.

Q: The question says: "Find sin(x/2), cos(x/2) and tan(x/2) from the given information: cscX=3, 90degre...

A: Refer to the question we have to find the sin(x/2), cos(x/2) and tan(x/2) from the given information...

Q: Complete the sentence so the result is an identity. Let x be any real number.1 - = sin2x

A: The given incomplete result is

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A: Click to see the answer

Q: I am confused on how to set this problem up in order to solve for it. Thanks much.

A: Click to see the answer

Q: write cot(1/2 tan^-1 1/x) without trig or inverse trig functions and simplify. Assume x>0. Ration...

A: using the formula:

Q: Find the side labeled x. (Round your answer to one decimal place.) X = 27 12 108 x

A: Consider x as c for the given triangle.

Q: Use the given information and a calculator to find θ to the nearest tenth of a degree, if 0° ≤ θ <...

A: Consider the trigonometric equation as cos θ = −0.3546.

Q: see attached

A: Consider the given trigonometric expression:

Q: Perform the calculation 90 degree -79degree 53'

A: Click to see the answer

Q: cot2 x+1 2. sec(2a) 11 cot2 x - 1 1

A: We will start with the right side. Replace cot x by cosx/sinx Then use LCD to add or subtract fracti...

Q: The length of the base of an isosceles triangle is 38.15 inches. Each base angle is 24.94. Find the ...

A: Let ABC be the isosceles triangle with base BC and equal sides AB and AC. Then BC=38.15 inches and a...

Q: Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the fi...

A: Given information:

Q: Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round...

A: To find all the solutions (theta) of the given trigonometric equation

Q: Explain to a friend how the Distributive Property is used to justify the fact that 2x+3x=5x

A: Click to see the answer

Q: Solve 6cos(2β)=6cos2(β)−4 for all solutions 0≤β<2π. β=

A: Given:

Q: Find the coordinates of the point P at an angle of 225 degrees on a circle of radius 2.7. Round your...

A: Given, The point P at an angle of 225 degrees on a circle of radius 2.7

Q: The question asks for the exact value of the trigonometric function given the real number: sin(5pi/4...

A: Click to see the answer

Q: Use a calculator to find a decimal approximation for the following trigonometric function. sin (-335...

A: The given trigonometric function is,

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A: Given,

Q: photo attached

A: The given trigonometric values are,

Q: I am struggling to complete the first blank. Thanks much.

A: Here,

Q: Solving

A: Given,

Q: I am unsure of how to work out this problem.

A: Given:

Q: How do you rewrite the expression using a radical?

A: Part (a) 2432/5 First we use the rule of exponent x a/n = n√xa. So, using this rule in the part (a...

Q: I am confused on how to solve this problem. Thanks much.

A: The given trigonometric identity is,

Q: cos(pi/2) = ??? and cos(5pi/2) = ?????.

A: Given function is

Q: Find five key points for the shifted funtion. f(x)=cos(pi/3(x-1)) Key points for cosx are: (0,1), (p...

A: The key points of the cos x are (0, 1), (π/2 ,0) , (π ,-1) , (3π/2 ,0) , (π/2 ,0) , (2π ,1)To find t...

Q: see attachment

A: The exact value is computed as follows.

Q: Using a double-angle or half-angle formula to simplify the given expressions.(1) If cos2(37∘)−sin2(3...

A: Given equations are

Q: 12 with A in QIII and find the following 13 Let sin A sin 2A

A: The given function is,

Q: 37 36 38 33 39 -G> What are the domain and range of X= The domain is all real numbers. The range is ...

A: Given function is: The given function is defined for real values of x. Hence the domain of the funct...

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A: Given equation is

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A: Click to see the answer

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A: Consider the given trigonometric equation

Q: see attachment

A: Given,

Q: I am not sure how to get to this solution. Please help, thank you.

A: We write them under one radical. Then recue 40/56 by 8.

Q: photo attached

A: Let csc t = √7 with t in second quadrant.

Q: Use a half angle formula to fill in the blanks in the identity below: (cos(4x))^2=(___________) + (_...

A: Consider the given information:

Q: Use a calculator to find a decimal approximation for the following trigonometric function. sin (-295...

A: Click to see the answer

Q: 1+sinu/cosu + cosu/1+sinu

A: Given,

Q: If cosA=(sqrt5)/5 with A in Q1 and tanB=3/7 with B in Q1, find cos(A+B).

A: If cosA=(sqrt5)/5 with A and tanB=3/7 with B , find cos(A+B)