Answer:
A. cos(60°)
Step-by-step explanation:
sin(30 degrees) = 0.5
cos(60°) = 0.5
cos(90°) = 0
sin(60°) = √
cos(30°) = √
so it's A.
<em>Ace</em>
Write an equation for “a number decreased by -4 is equal to 15”. Then solve the equation.
1 answer:
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