Question

Prove that 2cos45˚.sin15˚=√3/2-1/2​

Answer 1

Answer:

It can be proved easily.

Step-by-step explanation:

Here,Cos45°=1/√2

also Sin 15 degree =√3-1/2√2

now simply put the values in LHS,

2×1/√2 ×√3-1 /2√2

that will give √3-1/2

i.e √3/2 -1/2.

hope it helps