Solution

Solution

Solution steps
Rewrite as
Apply the periodicity of :
Rewrite using trig identities:
Write as
Use the Angle Sum identity:
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Simplify

Popular Examples

sin((7pi)/6)sin((5pi)/2)arctan(0.5)tan(240)csc(60)

Frequently Asked Questions (FAQ)

  • What is the value of sin(990) ?

    The value of sin(990) is -1