SOLUTION: Find the exact value of each expression a) sin7π/6 b) sinπ/6 c) sin9π/4 d) cos9π/4 Can you please help me? Thankyou

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Question 857875: Find the exact value of each expression
a) sin7π/6
b) sinπ/6
c) sin9π/4
d) cos9π/4
Can you please help me? Thankyou

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Find the exact value of each expression
a) sin7π/6
b) sinπ/6
c) sin9π/4
d) cos9π/4
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Convert them do degrees, then see what you think.

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