Math, asked by gamingfarhaan007, 5 months ago

show that tan² theta -1/cos² theta =-1

Answers

Answered by raavikrishna1973

1

Step-by-step explanation:

tan^2theta = 1- sec^2theta

sin^2theta

sec^2theta - tan^2theta = 1

cos^2theta - sin^2theta=1

hence proved !

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