How to use excel trigonometric functions?
Open excel, find "Formulas", click "Mathematics and Trigonometric Functions";
Recommendation: "excel tutorial"
Click "Mathematics and Trigonometric Functions", find sine (SIN), and click;
After clicking "SIN", Enter the numerical value in the pop-up dialog box. It should be noted that the input format is "degree*PI()/180". It is incorrect to directly enter the degree;
Input completed After that, click OK to find the sine value of the corresponding angle. The sine value of 30 degrees is given in the figure;
cosine (cos), tangent (tan ), the cotangent (cot) steps are the same as above.
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