Rewrite the expression in terms of the first power of the cosine: cos^4xtan^2x

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26-02-2016
Mathematics

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Rewrite the expression in terms of the first power of the cosine: cos^4xtan^2x

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taskmasters taskmasters · Answer 1 · 2016-03-03T07:21:45+01:00

taskmasters taskmasters

03-03-2016

Here's how to rewrite cos^4x tan^2x in the first power of cosine.
See the attached image.

First step, find the trigonometric identity of tan^2x.
Then simply everything until you only get cos x.
Remove all the exponents. Simplify.

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