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galina1969 [7]
3 years ago
15

What are the simplified forms of the expression

Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer:

It's is A  and   D.

Step-by-step explanation:

Tan^2 theta cos 2theta

= (sin^2 theta / cos^2 theta )( 2 cos^2 theta - 1)

= 2 sin^2 theta  - sin^2 theta / cos^2 theta

= 2 sin^2 theta - tan^2 theta.

Tan^2 theta  cos 2theta

= ( 1 / cot^2 theta) * cos 2theta

= cos 2theta / cot^2 theta.

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