Solution

Solution

+1
Solution steps
Rewrite using trig identities
Use the following trivial identity
Use the following trivial identity
Use the following trivial identity
Use the following trivial identity
Simplify

Popular Examples

sin(45)+cos(45)arccos(0.2)arctan(3/3)cos(120)+cos(45)cos(115)

Frequently Asked Questions (FAQ)

  • What is the value of sin(135-30) ?

    The value of sin(135-30) is (sqrt(6)+sqrt(2))/4