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Popular >

sin(arctan(-3/4))

Solution

sin (arctan (- \frac{3}{4}))

Solution

- \frac{3}{5}

+1

Solution steps

sin (arctan (- \frac{3}{4}))

Rewrite using trig identities:

sin (arctan (- \frac{3}{4})) = \frac{( - \frac{3}{4} ) 1 + ( - \frac{3}{4} ) ^{2}}{1 + ( - \frac{3}{4} ) ^{2}}

= \frac{( - \frac{3}{4} ) 1 + ( - \frac{3}{4} ) ^{2}}{1 + ( - \frac{3}{4} ) ^{2}}

Simplify

= - \frac{3}{5}

Popular Examples

cos(37.5)sin(7.5)

cos (37. 5^{\circ}) sin (7. 5^{\circ})

sin (6 6^{\circ})

1 - cos (2 π)

2 tan (\frac{π}{4})

sec (- 2 π)

Frequently Asked Questions (FAQ)

What is the value of sin(arctan(-3/4)) ?
The value of sin(arctan(-3/4)) is -3/5