Solution
Solution
+1
Solution steps
Refine to a decimal form
Popular Examples
2cos^2(pi/2)(tan(19)+tan(47))/(1-tan(19)tan(47))arctan((-3)/5)cos(140)cos(20)-sin(140)sin(20)-3sin(pi/4)
Frequently Asked Questions (FAQ)
What is the value of arccos(-0.9) ?
The value of arccos(-0.9) is 2.69056…