Solution
Solution
Solution steps
Rewrite using trig identities:
Simplify
Use the following trivial identity:
periodicity table with cycle:
Simplify
Popular Examples
1/2 cos^2(30)-cos(0)+(2cos^3(0))/3-(cos^5(0))/5(1+tan(55)tan(45))/(tan(55)-tan(45))(10)/(tan(47))arccos(9/13)
Frequently Asked Questions (FAQ)
What is the value of 2sin(0+pi/2) ?
The value of 2sin(0+pi/2) is 2