SOLUTION: Find the exact value of each expression a) sinπ/4 b) sin3π/4 c) sin5π/4 d) sin2π/3 Can you please help me out? Thanks so much in advance:)

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Question 857162: Find the exact value of each expression
a) sinπ/4
b) sin3π/4
c) sin5π/4
d) sin2π/3
Can you please help me out? Thanks so much in advance:)

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Find the exact value of each expression
a) sinπ/4 =√2/2 (reference angle of π/4 in quadrant I)
b) sin3π/4=√2/2 (reference angle of π/4 in quadrant II)
c) sin5π/4=-√2/2 (reference angle of π/4 in quadrant III)
d) sin2π/3=√3/2 (reference angle of π/3 in quadrant II)

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