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IceJOKER [234]
4 years ago
9

Can someone explain how to do that, please?

Mathematics
2 answers:
Leviafan [203]4 years ago
5 0
43% = 43/100= 0.43 THATS HOW U DO IT
WITCHER [35]4 years ago
5 0
When you change a percent to a fraction you just put that number over 100 because of how there is 100 percent... if you were changing any number to a decimal you would move the decimal two places to the left so it would be in this case 43 hundredths. I hope I was helpful...
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3 years ago
The angle 01 is located in Quadrant III, and cos(01) = -30/13
larisa [96]

Answer:

<h2>sin(01) = -32.70/13</h2>

Step-by-step explanation:

Given cos(01) = -30/13 where angle 01 is located in quadrant III. In the third quadrant, both cos and sin are negative. only tan is positive.

To calculate sin(01), we will apply the trigonometry expression as shown below;

cos(01) = -30/13

According to SOH CAH TOA;

cos(01) = adjacent/hypotenuse = -30/13

sin(01) = opposite/ hypotenuse

To get the hypotenuse, we will use the pythagoras theorem

hyp^{2}=opp^{2}+adj^{2}   \\opp^{2}=  hyp^{2}-adj^{2}\\opp^{2}= 13^{2} -(-30^{2} )\\opp^{2} = 169+900\\opp^{2}=1069\\opp = \sqrt{1069} \\opp = 32.70\\

sin(01) = 32.70/13

Since sin is also negaitve in the third quadrant, the value of

sin(01) = -32.70/13

01 = cos^{-1}- 30/13

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