Question

Prove that : sin^2 theta + cos ^2 theta / sec^2 theta - tan^2 theta = 1​

Answer 1

Answer:

Identity: sin^2 theta+ cos ^2 theta= 1

sec^2=1÷cos^2theta

tan^2 theta= sin^2 theta ÷cos ^2 theta

So, 1÷1÷ cos ^2 theta - sin^2 theta÷ cos ^2 theta =1

1÷1-sin^2 theta÷ cos ^2 theta

1÷ cos^2 theta ÷ cos ^2 theta

1÷1 = 1

1=1

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This is the correct explanation for this..