SOLUTION: Find the exact value of the expression as a single fraction.
Sin(pi/4)cos(0)-sin(pi/6)cos(pi)
Algebra.Com
Question 1091650: Find the exact value of the expression as a single fraction.
Sin(pi/4)cos(0)-sin(pi/6)cos(pi)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sin(pi/4)cos(0)-sin(pi/6)cos(pi)
===========
sin(pi/4) = sqrt(2)/2
cos(0) = 1
sin(pi/6) = 1/2
cos(pi) = -1
---------
You have to know those.
RELATED QUESTIONS
Find the exact value of cos(pi) cos(3pi/4) + sin(pi) sin... (answered by jim_thompson5910,MathTherapy)
write the expression as sine, cosine or tangent of a single angle.
cos(pi )/(6)cos(pi... (answered by ikleyn)
Find the exact value of the expression,... (answered by jsmallt9)
Evaluate the expression without using a calculator
(sin pi/6 cos pi/4 - sin pi/4 cos... (answered by lwsshak3)
Find the exact value of the expression:
sin(4pi/9)cos(pi/9) -... (answered by MathLover1,ikleyn)
exact value of
cos pi/12 cos pi/6 - sin pi/12 sin... (answered by Edwin McCravy)
Write the expression as either the sine, cosine, or tangent of a single angle.
sin (... (answered by josgarithmetic)
Find the exact value of sin pi/3 - cos... (answered by Alan3354)
Find the exact value of:
cos(pi/3)-sin(pi/3)without a... (answered by stanbon)