Question
Verify the identity.$$(\sec u-\tan u)(\csc u+1)=\cot u$$
Step 1
We have: - \(\sec u = \frac{1}{\cos u}\) - \(\tan u = \frac{\sin u}{\cos u}\) - \(\csc u = \frac{1}{\sin u}\) - \(\cot u = \frac{\cos u}{\sin u}\) Show more…
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