Mathematics

The value of (1 + tan2θ)(1 − sin θ)(1 + sin θ) is:

  1. 0

  2. 1

  3. sec2θ sin2θ

  4. cot2θ

Trigonometric Identities

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Answer

Given,

⇒ (1 + tan2θ)(1 − sin θ)(1 + sin θ)

⇒ sec2θ (1 - sin2θ)

⇒ sec2θ cos2θ

⇒ 1

Hence, option 2 is the correct option.

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