Question

solve this please sin²45+cos²45

Answer 1

Answer:

let $ be some angle

according to identity , sin^2$+cos^2$ = 1

Step-by-step explanation:

sin45 = 1/root 2

cos 45 =1/root 2 so the answer is 1

Answer 2

Answer:

=1/root 2+ root 3/2

=1/root 2+ root 3/(root 2×root2)

=root3/root 2.

Hope this answer it helps you.