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Question-46029




Question Number 46029 by rajabhay last updated on 20/Oct/18
Commented by rajabhay last updated on 20/Oct/18
tan^(−1) (3/4) is answer given in book.  Please help.    I did the following  3.25 cos θ+1sin θ=(√3) cos 30°−1sin 30°
$$\mathrm{tan}^{−\mathrm{1}} \frac{\mathrm{3}}{\mathrm{4}}\:\mathrm{is}\:\mathrm{answer}\:\mathrm{given}\:\mathrm{in}\:\mathrm{book}. \\ $$$$\mathrm{Please}\:\mathrm{help}. \\ $$$$ \\ $$$$\mathrm{I}\:\mathrm{did}\:\mathrm{the}\:\mathrm{following} \\ $$$$\mathrm{3}.\mathrm{25}\:\mathrm{cos}\:\theta+\mathrm{1sin}\:\theta=\sqrt{\mathrm{3}}\:\mathrm{cos}\:\mathrm{30}°−\mathrm{1sin}\:\mathrm{30}° \\ $$

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