(sinA+cosecA)² +(cosA+secA)²= 7tan²A+cot²A with full explanation. Created by dineshchandsys1.

(sinA+cosecA)² +(cosA+secA)²= 7tan²A+cot²A with full explanation

August 2023 1 1 Report

(sinA+cosecA)² +(cosA+secA)²= 7tan²A+cot²A with full explanation

Answer:

Your answer is =7+tan²A+cot²A

Step-by-step explanation:

L.H.S. =(sinA+cosecA)² +(cosA+secA)²

=sin²A+cosec²A+2sinAcosecA+cos²A+sec²A+

2cosAsecA

=1+2+2+1+tan²A+1+cot²A

=7+tan²A+cot²A = R.H.S.