Solution
Solution
+1
Solution steps
Rewrite using trig identities
Simplify
Popular Examples
(cos(50))/(cos(30))(1+cos(20)-sin(20))/(1-cos(20)-sin(20))arccos(-1)+arctan(sqrt(3))sin(30)4sin(30)5
Frequently Asked Questions (FAQ)
What is the value of -2cos(-pi/4) ?
The value of -2cos(-pi/4) is -sqrt(2)