Solution
Solution
+1
Solution steps
Use the following trivial identity:
Popular Examples
cos(pi/2)cos(pi/3)+sin(pi/2)sin(pi/3)200sin(20)3(cos(pi/3)+isin(pi/3))tan^2(arctan(2))+cot^2(arccot(3))20cos(53)
Frequently Asked Questions (FAQ)
What is the value of cos(1140) ?
The value of cos(1140) is 1/2