Which of the following is not correct ?A. `sintheta=-(1)/(5)`B. `costh – InterviewSolution

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1.	Which of the following is not correct ?A. `sintheta=-(1)/(5)`B. `costheta=1`C. `sectheta-(1)/(2)`D. `tantheta=20`
Answer» Correct Answer - C We know that, the range of `sectheta` is `R-(-1, 1)`. Hence, `sectheta` cannot be equal to `(1)/(2)`.

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