Solution

Solution

Solution steps
Use the following trivial identity:
Use the following trivial identity:
Simplify

Popular Examples

cos(arcsin(3/5)-arctan(5/12))2(cos((3pi)/4)+isin((3pi)/4))58sin(54)(67)/(sin(45))tan(pi/4)-sin(pi/6)

Frequently Asked Questions (FAQ)

  • What is the value of -cos(0)-sin(0) ?

    The value of -cos(0)-sin(0) is -1