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Popular >

cos(2)(pi/3)

Solution

cos (2) (\frac{π}{3})

Solution

- 0.43578 \dots

Solution steps

cos (2) (\frac{π}{3})

Refine to a decimal form

= - 0.43578 \dots

Popular Examples

arccos((3pi)/4)

arccos (\frac{3 π}{4})

tan (9 5^{\circ})

sin(arcsin(9/41)-arccos(-3/5))

sin (arcsin (\frac{9}{41}) - arccos (- \frac{3}{5}))

sqrt((1+cos(45))/2)

\frac{1 + cos ( 4 5 ^{\circ} )}{2}

sin(10)cos(35)+cos(10)sin(35)

sin (1 0^{\circ}) cos (3 5^{\circ}) + cos (1 0^{\circ}) sin (3 5^{\circ})

Frequently Asked Questions (FAQ)

What is the value of cos(2)(pi/3) ?
The value of cos(2)(pi/3) is -0.43578…