Question

Write the value of sin 75°.

Answer 1

Answer:

Answer: (√3 + 1)/ 2√2

Sin 75 we can write it as

Sin 75 = Sin(45+30)…………………..(1)

By applying the formula

Sin (A + B) = Sin A. Cos B + Cos A. Sin B

Sin (45 + 30) = Sin 45. Cos 30 + Cos 45. Sin 30…………………..(2)