Solution

Solution

+1
Decimal Notation
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

tan(60)(3)4sec((3pi)/4)-4sec(-pi/4)-4cos(60)42cos(30)-10cos(30)

Frequently Asked Questions (FAQ)

  • What is the value of cos(1305) ?

    The value of cos(1305) is -(sqrt(2))/2