Solution
Solution
+1
Solution steps
Rewrite using trig identities
Use the following trivial identity
Popular Examples
(cos(pi/6))/(sin(pi/4))cos((2pi)/3)cos((7pi)/6)-sin((2pi)/3)sin((7pi)/6)6cos(150)arctanh(0.98)cos(30)100
Frequently Asked Questions (FAQ)
What is the value of sin((3pi)/5)cos((4pi}{15})-cos((3pi)/5)sin(\frac{4pi)/(15)) ?
The value of sin((3pi)/5)cos((4pi}{15})-cos((3pi)/5)sin(\frac{4pi)/(15)) is (sqrt(3))/2