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Valentin [98]
3 years ago
8

- 7/9 • 5/7 And subscribed to my YouTube alyha_diys

Mathematics
2 answers:
zavuch27 [327]3 years ago
5 0

The answer would be -35/63; but if you reduced it you would get -5/9

MAVERICK [17]3 years ago
3 0

-5/9 and sure thing alyha_diys

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If the sinø=7/12, what is cosø?
777dan777 [17]

Answer:

If the sinø=7/12, cosø is \frac{\sqrt{95} }{12}

Step-by-step explanation:

We are given sinФ = 7/12

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sin\theta=\frac{opposite}{hypotenuse}

cos\theta=\frac{adjacent}{hypotenuse}

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Using Pythagoras theorem we can find the value of adjacent

(Hypotenuse)^2= (Opposite)^2+(Adjacent)^2

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(Hypotenuse)^2= (Opposite)^2+(Adjacent)^2\\(12)^2=(7)^2+(Adjacent)^2\\144=49+(Adjacent)^2\\144-49=(Adjacent)^2\\95=(Adjacent)^2\\\sqrt{(Adjacent)^2} =\sqrt{95}\\Adjacent=\sqrt{95}

So, value of Adjacent is \sqrt{95}

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cos\theta=\frac{\sqrt{95} }{12}

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x  = 5.8

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3 years ago
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