Find the value of x(the principle angle of x) when the function is maximum and minimum.
1.y=sin x+cos 2x
2.y=sin x sin 2x
3.y=tan^2 x -2tan x
3 trigonometric calculus Q
2011-08-17 6:25 am
回答 (1)
2011-08-17 9:58 pm
收錄日期: 2021-04-15 15:34:55
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