SOLUTION: Find the exact value of each expression
a) sin 7π/4
b) sin π/3
c) sin 11π/6
d) sin 5π/6
e) sin 4π/3
f) sin 5π/3
Can you please help me ? Than
Algebra.Com
Question 857794: Find the exact value of each expression
a) sin 7π/4
b) sin π/3
c) sin 11π/6
d) sin 5π/6
e) sin 4π/3
f) sin 5π/3
Can you please help me ? Thanks so much in advance:)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the exact value of each expression
a) sin 7π/4
Reference Angle:: pi/4
Quadrant: QIV
sin(7pi/4) = -sqrt(2)/2
----------------------------
b) sin π/3
Reference: pi/3
Quadrant: QI
sin(pi/3) = sqrt(3)/2
-------------------------------
c) sin 11π/6
Reference: (pi/6)
Quadrant: QIV
sin(11pi/6) = -1/2
-------------------------
d) sin 5π/6
Reference: pi/6
Quadrant: QII
sin(5pi/6) = 1/2
------------------------
e) sin 4π/3
Reference: pi/3
Quadrant: QIII
sin(4pi/3) = -sqrt(3)/2
------
f) sin 5π/3
Reference:: pi/3
Quadrant: QIV
sin(5pi/3) = -sqrt(3/2)
=============
Cheers,
Stan H.
=================
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