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If you want to solve a trigonometric equation, use the equation solver.
If you want to simplify a trigonometric expression, use the simplify calculator.
If you want to find angles of a triangle, use the triangle calculator or the right triangle calculator.
If you want to evaluate a trigonometric function, use the form below.
cos sin tan cot sec csc acos asin atan acot asec acsc ° rad
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Your input: calculate $$$\sin\left(30^0\right)$$$.
Answer: $$$\sin\left(30^0\right)=\frac{1}{2}=0.5$$$