Solution

Solution

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

Popular Examples

4[cos((11pi)/6)+isin((11pi)/6)]-20sin(30)cos(60)+tan((3pi)/4)sin(2)cos(1.1)-cos(2)sin(1.1)3(cos(pi/2)+isin(pi/2))

Frequently Asked Questions (FAQ)

  • What is the value of sin^2(1800) ?

    The value of sin^2(1800) is 0