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Popular >

arctan((-9)/8)

Solution

arctan (\frac{- 9}{8})

Solution

- 0.84415 \dots

+1

Solution steps

arctan (\frac{- 9}{8})

Refine to a decimal form

= - 0.84415 \dots

Popular Examples

sin^{(-1)}(((1))/((1.38)))

sin^{(- 1)} (\frac{( 1 )}{( 1.38 )})

cos(arcsin(-1/4))

cos (arcsin (- \frac{1}{4}))

sin(pi/6)+cos(2 pi/6)

sin (\frac{π}{6}) + cos (2 \frac{π}{6})

2cos^2(240)+3sin(240)

2 cos^{2} (24 0^{\circ}) + 3 sin (24 0^{\circ})

cot(arcsin(6/7))

cot (arcsin (\frac{6}{7}))

Frequently Asked Questions (FAQ)

What is the value of arctan((-9)/8) ?
The value of arctan((-9)/8) is -0.84415…