Question

sin^2θ + sin^2(90 − θ) = ?



A) 0 B) 1 C) 2 D) √2​

Answer 1

Answer:

B.)1

Step-by-step explanation:

let theta be A because it's not in my keyboard

sin²A+sin²(90-A)

{sin(90-A)=cosA}

sin²A+cos²A{sin²+cos²A=1}

=1