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iragen [17]
3 years ago
5

If sin is 3/4 and tan is -3/4, then cos is ?

Mathematics
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

cos=1

Step-by-step explanation:

Use the acronym SOH-CAH-TOA

sin = \frac{3}{4}

So opposite is 3 and hypotenuse is 4.

tan = \frac{-3}{4}

So opposite is -3 and adjacent is 4.

cos = adjacent/hypotenuse

cos = \frac{4}{4}=1

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