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Popular Trigonometry >

sin(-pi/7)

Solution

sin (- \frac{π}{7})

Solution

- sin (\frac{π}{7})

+1

Decimal

- 0.43388 \dots

Solution steps

sin (- \frac{π}{7})

Use the following property:

sin (- x) = - sin (x)

sin (- \frac{π}{7}) = - sin (\frac{π}{7})

= - sin (\frac{π}{7})

Popular Examples

5(cos(pi/6)+isin(pi/6))

arcsin((25)/(30.8))

4sqrt(3)cos((4pi)/3)

(28.28^2(sin^2(29.7)))/(2*9.8)

Frequently Asked Questions (FAQ)

What is the value of sin(-pi/7) ?
The value of sin(-pi/7) is -sin(pi/7)