Question

If Sin^2 (15) = x ,then find the value of sin^2(75) in terms of x

Answer 1

Answer:

Step-by-step explanation:

sin²15 = x

=> sin²(90-75) = x

=> cos²75 = x

We know that, sin²x = 1-cos²x

                      => sin²75 = 1-cos²75

                      => sin²75 = 1-x