Question

prove the (sinA+cosA)^ +(cosA+secA)^=7+tan^a

answer me​

Answer 1

$\huge{\mathcal{\underline{\green{Answer}}}}$

L.H.S. =(sinA+cosecA)²

+(cosA+secA)²

=sin² A+cosec² A+2sinAcosecA+cos² A+sec²A+2cosAsecA

=1+2+2+1+tan²A+1+cot²A

=7+tan² A+cot²A = R.H.S.

Hence Proved

Answer 2

Answer:

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Explanation:

only one brain list answer please help dear