Question

Sin a minus b is equal to sin a into cos b minus cos a into sin b find sin 15 degree

Answer 1

Answer:

Step-by-step explanation:

Sin 15° = sin (45-30)

=sin45° cos30° - sin30° cos 45°

= 1/ √2 * √3/2 - 1/2 * 1/√2

= √3-1/ 2√2

=√6-√2/4