SOLUTION: If sin α = ½ and α is acute, then (3cosα- 4 cos²α) = ? (a.) 0 (b.) ½ (c.) 1/6 (d.) -1

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Question 926417: If sin α = ½ and α is acute, then (3cosα- 4 cos²α) = ?
(a.) 0 (b.) ½ (c.) 1/6 (d.) -1
Answer by brysca(112) About Me  (Show Source):
You can put this solution on YOUR website!
step by step solution posted below
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hope this helps!