Question

find the value of sin(-1590)

Answer 1

sin(-1590)

-sin(1590)

-sin(1440+150)

-sin(150)

-sin(90+60)

-cos60

-1/2 ans

Answer 2

Given:

sin(-1590)

To Find:

The value of sin(-1590)

Solution:

sin(-1590) = - sin(1590) [Since sin is an odd function]

sin(-1590) = - sin(1440+150)

sin(-1590) = - sin(150)

sin(-1590) = - sin(90+60)

sin(-1590) = - cos 60

sin(-1590) = -1/2

The value of sin(-1590) is - 1/2.