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
9*sin(75)25sin(2pi*15)+10015sin(2pi*15)+90arcsin((5pi)/(32))-sin^2((5pi)/(32))2.6*(6.67408*10^{-11})*cos(58)
Frequently Asked Questions (FAQ)
What is the value of cos(2025) ?
The value of cos(2025) is -(sqrt(2))/2