Solution

Solution

+1
Decimal Notation
Solution steps
Use the following property:
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

arctan(1/(sqrt(2)))cos(arctan(2))tan((sqrt(3))/3)cos(29)cos(42)

Frequently Asked Questions (FAQ)

  • What is the value of sin(-240) ?

    The value of sin(-240) is (sqrt(3))/2