Solution
Solution
+1
Solution steps
Use the following property:
Use the following trivial identity:
Popular Examples
15sin(60)arctan(0.04)40sin(30)cos((7pi)/(12))cos((5pi)/(12))+sin((7pi)/(12))sin((5pi)/(12))cot((-pi)/4)
Frequently Asked Questions (FAQ)
What is the value of cos(-390) ?
The value of cos(-390) is (sqrt(3))/2