Solution
Solution
+1
Solution steps
Use the following trivial identity:
Popular Examples
(cos(0.01)-1)/(0.01)cos((5pi}{18})cos((2pi)/9)-sin((5pi)/(18))sin(\frac{2pi)/9)arcsin(sin(-(7pi)/6))cos(98)sin(175)
Frequently Asked Questions (FAQ)
What is the value of arccos(3/(sqrt(18))) ?
The value of arccos(3/(sqrt(18))) is pi/4