Math, asked by ebandrapalli, 11 months ago

(SIN A+COSEC A) WHOLE SQUARE + (COSA+SECA) WHOLE SQUARE =7+TAN SQUARE A+ COT SQUARE A

Answers

Answered by sandy1816

5

Step-by-step explanation:

LHS

(sinA+cosecA)²+(cosA+secA)²

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

=1+2+2+cosec²A+sec²A

=5+(1+cot²A)+(1+tan²A)

=7+tan²A+cot²A

RHS

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