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Popular >

4cos^2(pi/3)

Solution

4 cos^{2} (\frac{π}{3})

Solution

1

Solution steps

4 cos^{2} (\frac{π}{3})

Use the following trivial identity:

cos (\frac{π}{3}) = \frac{1}{2}

= 4 (\frac{1}{2})^{2}

Simplify

4 (\frac{1}{2})^{2} : 1

= 1

Popular Examples

sin^{2} (7.05)

cos(pi)0.534716ln(0.534716)

cos (π) 0.534716 ln (0.534716)

1/2 arcsin(2/3)

\frac{1}{2} arcsin (\frac{2}{3})

-2sin(pi^{1.8})e^{-1.8}+2picos(pi^{1.8})

- 2 sin (π^{1.8}) e^{- 1.8} + 2 π cos (π^{1.8})

arcsin (sin (4))

Frequently Asked Questions (FAQ)

What is the value of 4cos^2(pi/3) ?
The value of 4cos^2(pi/3) is 1