Question

give me ans ??????????​

Answer 1

Answer:

Step-by-step explanation:

I don't know

Answer 2

(sin theta + cos theta)2 =(1)^2

i have done squaring both sides

sin^2 theta + cos^2theta+2sintheta costheta =1

1+ 2sintheta costheta= 1

sin theta cos theta = 0