Multiple Choice Questions on 1 sec 20 deg cot 70 deg 1 cosec 20 deg tan70 deg is equal to ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

1 sec 20 deg cot 70 deg 1 cosec 20 deg tan70 deg is equal to ........

Quantitative Aptitude (CGL) Trignometry
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    (1 + sec 20° + cot 70°)(1 - cosec 20° + tan70°) is equal to

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