Solution
Solution
+1
Decimal Notation
Solution steps
Rewrite using trig identities:
Use the following property:
Use the following trivial identity:
periodicity table with cycle:
Simplify
Multiply fractions:
Multiply the numbers:
Popular Examples
(cos(pi/4))^2e^{sin((3pi)/2)}4sin((2pi)/3)cos((2pi)/3)cos(arcsin(1/2)+arccot((sqrt(3))/3))arccos(59/95)
Frequently Asked Questions (FAQ)
What is the value of 15.4cos(-45) ?
The value of 15.4cos(-45) is (77sqrt(2))/(10)