SOLUTION: Find: sin(π/8)cos(π/8). Show your calculation.

Question 1105436: Find: sin(π/8)cos(π/8). Show your calculation.
Answer by Edwin McCravy(20065) (Show Source): You can put this solution on YOUR website!



Use the identity 



Swap sides:



Multiply both sides by 1/2



Substitute  for 





And we know from the unit circle or special angles,
that .  So:





Edwin

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SOLUTION: Find: sin(&#960;/8)cos(&#960;/8). Show your calculation.

SOLUTION: Find: sin(π/8)cos(π/8). Show your calculation.