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Popular >

2cos^2(6)-1

Solution

2 cos^{2} (6) - 1

Solution

0.84385 \dots

Solution steps

2 cos^{2} (6) - 1

Refine to a decimal form

= 0.84385 \dots

Popular Examples

csc(arctan(2/5))

csc (arctan (\frac{2}{5}))

cos (π) + π

cos(arcsin(1/2)+arccos(4/5))

cos (arcsin (\frac{1}{2}) + arccos (\frac{4}{5}))

(cos(pi/4)+isin(pi/4))^3

(cos (\frac{π}{4}) + i sin (\frac{π}{4}))^{3}

309.4*((sin(42.31))/(238.99))

309.4 \cdot (\frac{sin ( 42.3 1 ^{\circ} )}{238.99})

Frequently Asked Questions (FAQ)

What is the value of 2cos^2(6)-1 ?
The value of 2cos^2(6)-1 is 0.84385…