Question

Prove that (1-cos square A)× sec square B + tan square B (1-sin square A)=Sin square A + Tan square B​

Answer 1

Step-by-step explanation:

(1-cos²A)(sec²B)+Tan²B(1-sin²A)

(sin²A)(1-Tan²B)+Tan²B(1-sin²A)

sin²A-sin²ATan²B+Tan²B-Tan²Bsin²A

sin²A+Tan²B