What is the value of \(\frac{d}{dx}(\frac{cos⁡x}{sec⁡x \,tan⁡x})\)?

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answerhappygod
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What is the value of \(\frac{d}{dx}(\frac{cos⁡x}{sec⁡x \,tan⁡x})\)?

Post by answerhappygod »

a) -tan2⁡ x(3 sin2⁡ x – cos2 x)
b) -cot2 x(3 sin2⁡ x – cos2 x)
c) -cot2 x(3 sin2⁡ x + cos2 x)
d) -tan2⁡ x(3 sin2⁡ x + cos2 x)
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