Question

Express 1+sinA as a perfect square. 1+sinA =sin^A/2+cos^A/2+2sinA/2cosA/2=(sinA/2+cosA/2)^​

Answer 1

Answer:

1+sinA as a perfect square.

1+sinA =sin^A/2+cos^A/2+2sinA/2cosA/2

=(sinA/2+cosA/2)^2