Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

How do you evaluate sin(11π/6)?

1 Answer

sankarankalyanam

Mar 17, 2018

#color(green)(- sin (pi/6) =- sin 60 = - (1/2)#

Explanation:

To find the value of #sin ((11pi)/6)#

#sin ((11pi)/6) = sin (((11pi)/6) - 2pi) #

enter image source here

# => sin -(pi/6) = - sin (pi/6)# as sin in IV quadrant is negative.

enter image source here

#color(green)(- sin (pi/6) =- sin 60 = - (1/2)# from the above table.

Related questions

See all questions in Trigonometric Functions of Any Angle

Impact of this question

11654 views around the world

You can reuse this answer
Creative Commons License