sin sin 3x = 2 co 4 sin x cos x - 4 sin x cos x X COS X vith the left-hand side, use a Sum-to- sin 5x + sin 3x HS = 4 sin x cos x- 4 sin x cos X X COS

Q: ·S Evaluate cos x sin³ x dx. + C

A: To evaluate the following integral.

Q: Evaluate the expression without using a calculator. (Assume the variable represents a positive…

A:

Q: Write 5 sinx – 12cosx in the form ksin(x + a).

A: Given expression is: 5 sin x-12 cos x ............................ (1) We have to write the above…

Q: Multiply and simplify. (1– tan o)? (1– tan þ)² = 4)² = D (Simplify your answer.)

A:

Q: E sin 0 de

A:

Q: sin x + 1+ COS X 1+ cOS X = 2 csc X sin x

A: Given,          1+cosxsinx+sinx1+cosx=2cscx

Q: simplify sin3x + cos2xsinx

A:

Q: Find if sin x +1= cos y

A: Given,           sinx+1=cosy

Q: solve for x,  if possible, explain your result

A:

Q: sin x cos x tan x = 1 – cos² x -

A:

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.