![\frac{1}{(1 -sin \theta) (1+cos \theta)} \\\\= \frac{1+cos \theta + 1 -sin \theta ]}{(1 -sin \theta) (1+cos \theta)} \\ = \frac{2+cos \theta - sin \theta}{1+cos \theta - sin \theta - sin \theta cos \theta}](/tpl/images/1010/8651/8f372.png)
Proove that
1/1-sin theta + 1/1+cos theta = 2×sec square theta...
Mathematics, 02.01.2021 09:20 lizzynmk
Proove that
1/1-sin theta + 1/1+cos theta = 2×sec square theta
Answers: 1
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