SOLUTION: Use a product-to-sum formula to find the exact value of the expression. Do not use a calculator.
cos 5π/12 sin π/12
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-> SOLUTION: Use a product-to-sum formula to find the exact value of the expression. Do not use a calculator.
cos 5π/12 sin π/12
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Question 1028370: Use a product-to-sum formula to find the exact value of the expression. Do not use a calculator.
cos 5π/12 sin π/12 Found 2 solutions by robertb, MathTherapy:Answer by robertb(5830) (Show Source):
Use a product-to-sum formula to find the exact value of the expression. Do not use a calculator.
cos 5π/12 sin π/12
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The other person's answer is a bit off, thereby making it INCORRECT!
It should be:
, or ,
and NOT
