$$\left({1\over cosecθ}-{1\over sinθ} \right)+{1\over {cosecθ-cotθ}} -{1\over secθ+tanθ} =?$$
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Q:
$$\left({1\over cosecθ}-{1\over sinθ} \right)+{1\over {cosecθ-cotθ}} -{1\over secθ+tanθ} =?$$
- 1sinθcosθfalse
- 2sinθtanθfalse
- 3secθcosecθtrue
- 4cosecθcotθfalse
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