(tan theta + 2) (2 tan theta+ 1) = 5 tan theta + sec2 theta.
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Answer:
(tan theta + 2) (2tan theta + 1)
Step-by-step explanation:
- expanding equation we get,
= 2tan^2theta + tan theta + 4tan theta + 2
= 5tan theta + 2(tan^2 theta + )
- using formula tan^2 theta + 1 = sec^2 theta
we get,
= 5tan theta + 2sec^2 theta
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