Math, asked by taragaru1977, 9 months ago

(sin theta + cosec theta)^2+ (cos theta + sec theta)^2 = 7 + tan^2 theta + cot^2 theta

Answers

Answered by sandy1816
2

Step-by-step explanation:

(sin+cosec)²+(cos+sec)²

=sin²+cosec²+2+cos²+sec²+2

=1+4+(1+cot²)+(1+tan²)

=7+tan²+cot²

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