Question

sec2θ – 1 = ?

(A) tan2θ

(B) tan2θ + 1

(C) cot2θ – 1

(D) cos2θ​

Answer 1

Answer:

tan2∅

Step-by-step explanation:

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Answer 2

tan2θ is the correct answer

Explanation: From trigonometric identity

1+ tan2θ = sec2θ

⇒sec2θ – 1 = tan2θ

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