Assertion (A): \sec^2 23^\circ- \tan^2 23^\circ = 1 Reason (R): -\sec^2\theta - \tan^2\theta = 1 for all realvalues of θ.

Correct Answer is : Both A and R are individually true and R is the correct explanation of A.

Both A and R are individually true and R is the correct explanation of A.

Both A and R are individually true and R is not correct explanation of A.

Trigonometry Practice Test 1

Question : 13 of 40

Marks: +1, -0

Assertion (A):

\sec^2 23°- \tan^2 23° = 1

Reason (R):

-\sec^2θ - \tan^2θ = 1

for all realvalues of θ.

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