Solution

Solution

+1
Decimal Notation
Solution steps
Use the following property:
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

cos(1*pi)4sin(125)(8.2)/(cos(72))sin(1/(-1))cos(2arctan(1/7)+arcsin(3/7))

Frequently Asked Questions (FAQ)

  • What is the value of cos(-930) ?

    The value of cos(-930) is -(sqrt(3))/2