(1-cos θ)(1+cos θ)=ldots ldots ldots

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8. Introduction to Trigonometry

easy

$(1-\cos \theta)(1+\cos \theta)=\ldots \ldots \ldots$

A

$\operatorname{cosec}^{2} \theta$

B

$\cos ^{2} \theta$

C

$2-\cos ^{2} \theta$

D

$\sin ^{2} \theta$

Solution

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Standard 10

Mathematics

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