Question

Solve it by using trigonometry
sin15°​

Answer 1

Answer:

Sin ( 45° -30 °)

Sin 45°. Cos 30° - Cos 45°. Sin 30°

=> 1/root 2 × root 3/2 - 1/ Root 2 × 1/2

=> ( root 3 - 1) / 2 root (2)

Answer 2

Explanation:

sin(45-30)

sin45cos30 - cos45sin30

1/√2 x √3/2 - 1/√2x1/2

1/√2(√3-1/2)

√3-1/2√2