Solution

Solution

+1
Decimal Notation
Solution steps
Rewrite using trig identities:
Use the Double Angle identity:
Simplify
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((7pi)/6+pi/4)arcsin((6.1)/(9.9))25cos(75)cos(arcsin(3/5)-arccos(1/2))sec((11pi)/2)

Frequently Asked Questions (FAQ)

  • What is the value of 2sin(112.5)cos(112.5) ?

    The value of 2sin(112.5)cos(112.5) is -(sqrt(2))/2