Solution

Solution

+1
Decimal
Solution steps
Rewrite using trig identities:
Use the following identity:
Simplify

Popular Examples

6sin(10)(cos(pi/4)+isin(pi/4))^{100}sin(6 pi/9)cos(pi/5)cos((2pi)/(15))-sin(pi/5)sin((2pi)/(15))(2(cos(pi/4)+isin(pi/4)))^6

Frequently Asked Questions (FAQ)

  • What is the value of sec(arccos(-3/5)) ?

    The value of sec(arccos(-3/5)) is -5/3