tanθ + cotθ = ______?
- cosecθ
- secθ
- secθcosecθ
- None of these
Explanation
Let's simplify the expression:
tanθ + cotθ
= sinθ/cosθ + cosθ/sinθ
= (sin²θ + cos²θ) / (sinθcosθ)
Since sin²θ + cos²θ = 1:
= 1 / (sinθcosθ)
= 1/sinθ * 1/cosθ
= cosecθ * secθ
= secθcosecθ
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اس سوال کو وضاحت کے ساتھ پڑھیں
- (t² + 4)(t - 2)(t - 2)
- (t² - 4)(t² - 4)
- (t² + 4)(t + 2)(t - 2)
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- +4
- -4
- +16
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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