If `cos25^0+sin25^0=p ,`then `cos50^0`is`sqrt(2-p^2)`(b) `-sqrt(2-p^2) – InterviewSolution

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1.	If `cos25^0+sin25^0=p ,`then `cos50^0`is`sqrt(2-p^2)`(b) `-sqrt(2-p^2)``psqrt(2-p^2)`(d) `-psqrt(2-p^2)`A. `sqrt(2-p^2)`B. `-psqrt(2-p^(2))`C. `psqrt(2-p^(2))`D. `-sqrt(2-p^(2))`
Answer» Correct Answer - C

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