Question #82510

1 Answer
Arun Thomas
Jul 10, 2017

this can be solved using the equation #sin^2 theta + cos^2 theta=1#

Explanation:

#tan^2 theta- sec^2 theta = sin^2 theta/cos^2 theta - 1/cos^2 theta= (sin^2 theta-1)/cos^2 theta=-(1-Sin^2 theta)/cos^2 theta=- Cos^2 theta/Cos^2 theta=-1 #

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