1.

`theta` का वह मान जो समीकरण `cos theta=-(1)/(sqrt(2))` तथा `tan theta=1` को संतुष्ट करता है से कौन होगाA. `2npi+(4pi)/(5)`B. `2npi-(5pi)/(4)`C. `2npi+(5pi)/(4)`D. `2npi-(4pi)/(5)`

Answer» Correct Answer - C


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