Sin? SIN () brackets should be radians, the same below.

Because? COS()

Tan? Tan ()

……

I won't list them one by one. It's actually the same as trigonometric function. Just note that the Excel angle is radian. If the given data is an angle value, then add the calculation formula of angle conversion radian:

Radian = (angle/180)×? π?

It doesn't matter if you don't remember. Place the mouse in the cell where you want to insert the function, and then insert the function from the menu. If you don't know what function to use, just enter the required function in the search function and click "Go". Excel will provide several functions for you to choose from. It is easy to determine which function to use. As shown in the figure: