Question

(tan² theta)(cos² theta) = 1-cos² theta solve that​

Answer 1

Answer:

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Step-by-step explanation:

(tan² theta)(cos² theta) = 1-cos² theta

We know that tan² theta = sin² theta/ cos² theta and 1-cos² theta = sin² theta

(sin² theta/ cos² theta)* cos² theta = sin² theta

Cancelling cos² theta

Sin² theta = Sin² theta

LHS = RHS