Asked by sanmitra

sec square theta - tan square theta = 1

Answers

Answered by Reiny
sec^2 θ - tan^2 θ = 1
What are we doing? Solving for θ ?
or proving it is an identity?

you should know the important identity: tan^2 θ + 1 = sec^2 θ

LS = sec^2 θ - (sec^2 θ - 1)
= ....
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