三角函數計算器

求三角函數值

此計算器可以解三角方程，並化簡與求值表達式。它可以處理三角函數與反三角函數。

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.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please contact us.

Your input: calculate $$$\sin\left(30^0\right)$$$.

Answer: $$$\sin\left(30^0\right)=\frac{1}{2}=0.5$$$