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nataly862011 [7]
3 years ago
11

What is the answer for a

Mathematics
2 answers:
Vitek1552 [10]3 years ago
5 0
8.5
-
1.00 + 2.50 + 2.50 + 2.50 = 8.5
statuscvo [17]3 years ago
4 0
The answer is £8.50
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the terminal side of theta passes through the point (-5,-6). what is the exact value of cos theta in simplified form?
harina [27]

ANSWER

\cos( \theta)  =  - \frac{5\sqrt{61}}{ 61 }

EXPLANATION

The given point is (-5,-6).

This implies that ,

\tan( \theta)  =  \frac{6}{5}

Hence opposite=6 units and adjacent=5 units.

The hypotenuse is,

=  \sqrt{ {5}^{2}  +  {6}^{2} }  =  \sqrt{61}

Since the terminal side is in the third quadrant, the cosine ratio is negative.

\cos( \theta)  =  -  \frac{adjacent}{hypotenuse}

\cos( \theta)  =  - \frac{5}{ \sqrt{61} }

Rationalize the denominator,

\cos( \theta)  =  - \frac{5\sqrt{61}}{ 61 }

The correct choice is C.

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3 years ago
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487 divided by 8 with remainder
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Answer:

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