4. Use the power-reducing formulas to write sin?xcos²x in terms of the first powers of cosine.

Q: Simplify the following expressions. 1-sinx a. COSX CosX 1-sinx b. csce+cot@ csce-cot@

A:

Q: 4. Solve the trigonometric identity: sin4x = 2sin2xcos2x.

A:

Q: Write the following expression in terms of sine and cosine, and simplify it. (The final expression…

A: We use Trigonometry identities

Q: Use a sketch to find the exact value of the expression sin (cos-1√2/ 2)

A: sincos-122

Q: ,3 sin x cos x dx. + C

A:

Q: Consider y= 2 + 3sin (2x-pi)

A:

Q: Write the formulas for cos(A - B) and sin (A - B)?

A: We have to write the formulas for cosA-B and sinA-B. We know the formula for cosine difference angle…

Q: which one of the following is the same as: -cos(-x)tan(-x) a. sinx b. -sinx c. -cotx

A:

Q: Simplify sin(2x) sec (r) 1 - cos²(x) to an expression that only involves one trig function.

A:

Q: Evaluate 3 L, cos¹ (2+1) dr. -1

A: l have given the answer in the next step. Hope you understand that

Q: Simplify

A: To express the given trigonometric function as an expression in x

Q: Write 9 cos(t) 1 – sin(t) 9 cos(t) 1+ sin(t) using one trigonometric function.

A: To write  using one trigonometric function.