Solution

Solution

Solution steps
Rewrite using trig identities:
Use the basic trigonometric identity:
Rewrite using trig identities:
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
Simplify

Popular Examples

tan(-(5pi)/(12))tan(10)arccos((-sqrt(2))/2)sin((-pi)/2)tan(255)

Frequently Asked Questions (FAQ)

  • What is the value of sec(240) ?

    The value of sec(240) is -2