If $$\sin x + \cos x +\tan x + \cot x +\sec x +\csc x=7$$
then show that $\sin(2x)$ is a root of the equation $x^2 -44x + 36$.
How do I solve this question?
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Jamil Ahmed
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That is 44 and 36. not 44^x or 3^6. – Jamil Ahmed Jun 14 '16 at 07:41
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By cosecx do you mean the function $\csc x=\frac{1}{\sin x}$? – JasonM Jun 14 '16 at 07:45
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Related: http://math.stackexchange.com/q/1816715/409 . In fact, this answer solves your problem as a prelude to answering that question. – Blue Jun 14 '16 at 07:47
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See http://math.stackexchange.com/questions/1816715/find-k-if-sum-of-all-trigonometric-ratios-is-7 – lab bhattacharjee Jun 14 '16 at 07:50