Question
In Exercises $27-80,$ verify the given identities.$$\cot x+\tan x=\sec ^{2} x \cot x$$
Step 1
We know that $\sec ^{2} x = 1 + \tan^2 x$ and $\cot x = \frac{1}{\tan x}$. So we can rewrite the right hand side as $(1 + \tan^2 x) \cdot \frac{1}{\tan x}$. Show more…
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