If sin B = −1/3 with B in QIII, find tan (B/2).

Q: sin (x²)dxdy y

A: We will solve this question by change of order of integration.

Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: If x=2 tan θ ,express sin(2θ)as a function of x.

A:

Q: 2 Cos4 Sin (sinz) de

A: Consider the integral  ∫cosxsin2sinxdx

Q: x cos r+ sin r -dr. Find x sin r 5.

A: The given integral,     ∫x cosx+sinxx sinxdx

Q: Find sin (x- π/2) if cos x=0.65

A: On solving this we will get