Question

Prove: Tan^2ocos^2o= 1- cos^2o
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Answer 1

Answer:

Step-by-step explanation:

$tan^2\theta cos^2\theta=1-cos^2\theta\\\\\dfrac{sin^2\theta}{cos^2\theta} *cos^2\theta=1-cos^2\theta\\\\sin^2\theta=1-cos^2\theta\\\\sin^\theta+cos^2\theta=1$

Answer 2

Step-by-step explanation:

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