Question

Without using calculator find value of (15°)
answer:- sin 15°= sin(45° - 30°)
...Observe carefully
= sin 45°.cos 30° - cos 45°.sin 30° ...By sin(A-B) formula
=1/√2. √3/2 - 1/√2. 1/2
=√3/2√2 - 1/2√2
sin 15°= √3-1/2√2​

Answer 1

it can be 24 number and I don't know what you are telling