If sin(2x) = cos(x+30"), what is tbe value of x?

Q: given α=tan^-1(-4/3)    cos β -3/7 with π ≤ β≤3π/2. Find the exact value of cos(α + β). Simplify…

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Q: Evaluate the following leaving the result as an EXACT value. cos⁡(tan^-1⁡(4/3)+sin^−1⁡(−2/5))

A: We have to solve the problem

Q: y=2sin(x) and y=sin(x) using words only how could I compare these functions?

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Q: Given that A = tan^−1 (3/4), find cos (2A).  Give exact answer

A: Given:

Q: If cosecant(x)=8, for 90 degrees<(x)<180 degrees, then what is sine(x/2), cosine(x/2), and…

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Q: evaluate the following giving exact values when possible: cos(sin^(-1)(y/2))

A: Simplifying the given inverse trigonometric expression to find the desired value.

Q: Find ∫e^(2x)sin(2x)dx

A: Given: ∫e2xsin(2x)dx

Q: Find sin (x) if sec (x) sin (x) A = B = B = 26 24' where tan > 0. Put your answer in reduced form.

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Q: cos(4x) cos(2x) sin(4x) sec(2x) 12. Verify: - sin(2x)

A: cos(2x ) =cos2(x)-sin2(x) = 2cos2(x)-1 =1-2sin2(x) sin(2x) = 2sin(x) cos(x)

Q: a) What is the derivative of sin(7.7 x^4) when x = 1?   Remember to use radians for your answer b)…

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Q: Solve the equation sin(x) - cos(x) =1. from[0,1].

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Q: Since the function y=cosx and y = cosx are inverse functions, why is cos cos not equal to 2 Explain…

A: cos(-x) = cos x

Q: Choose the correct answer If f(x)=ln⁡(cos⁡(3x)) , then f"(x) =…  -9 sec2 (3x)  9 cos2 (3x)  9 tan2…

A: Derivative problem....

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.