Question

prove this...thanks in advance

Answer 1

HELLO DEAR,


We know that:-

general formula for

sin∅ = sin alpha

∅ = [nπ + (-1)^n. alpha]

here given that:-

sin [nπ + (-1)^n .π/6] = 1/2

so,

sin π/6 = sin30° = 1/2



I HOPE ITS HELP YOU DEAR,
THANKS

Answer 2

Hey here is your answer..

I hope it will help you..