Solution
Solution
Solution steps
Use the following property:
Simplify
Popular Examples
50sin(40)arctan(sqrt(2)-1)sin^2(30)+cos^2(60)(tan(78)-tan(18))/(1+tan(78)tan(18))sec(pi/8)-1/((pi/8)^3)+5
Frequently Asked Questions (FAQ)
What is the value of cos(pi)-cos(-pi) ?
The value of cos(pi)-cos(-pi) is 0