Solution

Solution

+1
Decimal Notation
Solution steps
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

arcsec(1)cos(150)2cos^2(x)+3cos(x)-2=0sin(22.5)csc(60)

Frequently Asked Questions (FAQ)

  • What is the value of cos(315) ?

    The value of cos(315) is (sqrt(2))/2