Question

Find the
value of sin 15 + cos 15​

Answer 1

Step-by-step explanation:

Remember the formula : sin2x =2sinx.cosx ?

I mentioned it cuz in the question , you are asking the value of product of sin and cos of x=15°

Dividing both sides by 2 , we get

sinx.cosx=sin2x/2

Substituting x=15°

sin15°.cos15°=sin30°/2 =1/4

I hope this is helpful. :)