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Simplify cos theta/sec theta - tan theta
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5 votes
Simplify cos theta/sec theta - tan theta

User Mario Zannone
by
7.6k points

2 Answers

4 votes

Answer:

b) sin theta

Explanation:

User Singing
by
8.0k points
3 votes
I got: cos²θ - sinθ

Does this seem familiar?

Work:

cosθ/secθ - tanθ

cosθ/1/cosθ - sinθ/cosθ

cosθ/1 * cosθ/1 - sinθ/cosθ

cos²θ/1 - sinθ/cosθ

cos³θ-sinθ/cosθ

cos²θ-sinθ
User Vijay Jagdale
by
7.9k points
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