Solution
Solution
+1
Solution steps
Use the following trivial identity:
Popular Examples
2(sin(4)+cos(4)+4(cos(4)-sin(4)))1-(sin(45))/(cos(45))tan^2(60)-sec^2(60)+cot(45)cos(arctan(sqrt(2)))sin((2pi)/3)-cos(pi/(12))+tan((5pi)/4)
Frequently Asked Questions (FAQ)
What is the value of cos((25pi)/4) ?
The value of cos((25pi)/4) is (sqrt(2))/2