Solution
Solution
Solution steps
Refine to a decimal form
Popular Examples
2sin(50)cos(50)arcsinh(1/2)csc((2pi)/3)-cos((5pi)/4)+sin(pi/6)sin(arccos(-9/(sqrt(145))))1/(cos(90))
Frequently Asked Questions (FAQ)
What is the value of cos(40)+cos(80)+cos(100)+cos(120)+cos(140) ?
The value of cos(40)+cos(80)+cos(100)+cos(120)+cos(140) is -0.5