Solution
Solution
+1
Solution steps
Rewrite using trig identities
Use the following trivial identity
Use the following trivial identity
Rewrite using trig identities
Simplify
Popular Examples
arccos((115/7}{\frac{5sqrt(754))/7})sec(arctan(7/10))arctan(5.2)arccos((-30)/(sqrt(74)\sqrt{21)})arccos((6.5)/(8.4))
Frequently Asked Questions (FAQ)
What is the value of sin(pi/5)cos(pi/2)+sin(pi/2)cos(pi/5) ?
The value of sin(pi/5)cos(pi/2)+sin(pi/2)cos(pi/5) is (1+sqrt(5))/4