Solution
Solution
+1
Solution steps
Use the following trivial identity:
Popular Examples
2sin^2(x)+cos(x)=1arcsin(3/5)arcsin(-(sqrt(3))/2)prove cot(x)=(sin(2x))/(1-cos(2x))prove tan(-(5pi)/6)
Frequently Asked Questions (FAQ)
What is the value of cos(150) ?
The value of cos(150) is -(sqrt(3))/2