Huawei nova 7 pro 5g uses a calculator to calculate arctan
1. Tap the calculator on your phone.
2, Second, in the calculator, click the switch icon in the lower left corner to switch to a special math calculator.
3. After switching to the special mathematical calculator, click the second button on the left to switch to the inverse trigonometric function mode.
4, enter the inverse trigonometric function calculated by yourself, and then you can get the result according to the equal sign. Find the inverse trigonometric function of the sine function.