SOLUTION: Find the exact value of the trigonometric function at the given real number.
(a) cos 11π/6=
(b) cos(−11π/6) =
(c) cos 17π/6 =
Please exp
Algebra.Com
Question 920123: Find the exact value of the trigonometric function at the given real number.
(a) cos 11π/6=
(b) cos(−11π/6) =
(c) cos 17π/6 =
Please explain
Thank you
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
(a) cos 11π/6= √3/2
(b) cos(−11π/6) = √3/2 cos(-θ) = cos (θ)
(c) cos 17π/6 = cos (17π/6) = cos(5π/6 + 2π ) = cos(5π/6) = -√3/2
(cosx, sinx) Unit Circle Summary for Your reference
.
RELATED QUESTIONS
Find the exact value of the trigonometric function at the given real number.
(a)... (answered by ewatrrr)
Find the exact value of the trigonometric function at the given real number.
A... (answered by Alan3354)
Given sin 30°= 1/2, use trigonometric identities to find the exact value of:
A: cos 60°
(answered by Edwin McCravy)
Find the exact value of the trigonometric function at the given real number.... (answered by ewatrrr,rothauserc)
Find the exact value of the trigonometric function at the given real number.... (answered by ewatrrr)
Use the sum or different to find he exact value of each trigonometric function
a) (answered by lwsshak3)
Use an Addition or Subtraction Formula to write the expression as a trigonometric... (answered by lynnlo)
Use the related angle identities to determine the value of each function
a) cos... (answered by Alan3354)
Find the exact value of the trigonometric function.
cos -23π /6
(answered by solver91311,lwsshak3)