Question

to prove cos 2π/15.cos4π/15.cos8π/15.cos14π/15=1/16​

Answer 1

Step-by-step explanation:

So that Examples

She is too young so that she cannot smoke.

It is too late so that we cannot go to cinema.

I will go to France so that I can learn French.

Let's go to the cinema early so that we can get good seats.

I'm putting the dish in the oven now so that it'll be ready by eight o'clock.

I opened the door so that she could come in.