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Home > Calculus > Trigonometry
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1. Trigonometry
1. Simplifying trigonometric expressions,
eg. (1) `sin(30)*cos(60)+sin(30)*cos(60)`, (2) `tan(x)+cot(x)`, (3) `tan^2(x)-sin^2(x)`, (4) `csc(x)/cos(x)-cos(x)/sin(x)`
1.2 Proving trigonometric identities,
eg. (1) `sin(30)*cos(45)*tan(60)=sin(45)*cos(60)*cot(30)`, (2) `sin^2(50)+sin^2(40)=1`
2.1 If `sin(x)=1/2`, then find value of other five trigonometric functions
2.2 If `sin(x)=1/2`, then solve trigonometric expression like `cos(x)csc(x)`
2.3 For point P(x,y), find values of all six trigonometric functions
2.4 Terminal Side `theta` for equation 2x+y=0, find values of all six trigonometric functions
2.5 For angle `theta`, find values of all six trigonometric functions
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