Question

Sec^2 theta -1=tan^2 thete

Answer 1

Sec²theta - tan²theta = 1

It is an identity in Maths Trignometry

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Answer 2

Sec²theta –1 = Tan²theta

Is an identity in Trigonometry.

It can be also be written as : -

Sec ² theta = 1 + Tan² theta

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