Question

2) what is the value of sin 150°​

Answer 1

Hey mate !!!

=>First of all, observe that 150=180−30 . the answer comes from the fact that cos(30)=√32 and sin(30)=12 are known values.

Thanks ❤️⛈️❤️

Answer 2

Answer:

You may find sin 150 by 2 ways:

First way. Trig Table gives --> sin 150 deg, or

sin(5π/6) = 1/2

Second way: by the trig unit circle.

sin(5π/6)=sin(π/6)=1/2

l hope you understand...