Trigonometric RatiosHard

Question

sin²A + sin²(A–B) + 2 sinA cosB sin(B − A) is equal to -

Options

A.sin²A

B.sin²B

C.cos²A

D.cos²B

Solution

-

Create a free account to view solution

View Solution Free

Topic: Trigonometric Ratios·Practice all Trigonometric Ratios questions

More Trigonometric Ratios Questions

If A + B + C = π, then ∑ tantan is equal to -...2 sin2 β + 4 cos(α + β)sin α sin β + cos 2 =...If sin θ = n sin (θ + 2α), then tan (θ + α) is equal to -...If A + C = B, then tan A tan B tan C is-...If x + = 2 cos θ, then x3 +=...