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3 years ago

Use a special right triangle to find the tangent of 45°

Mathematics

1 answer:

mezya [45]3 years ago

7 0

Answer:

In order to find out the tangent value of 45 degrees, we need to divide the opposite side to the angle by the adjacent side. Since both the opposite and adjacent sides of this triangle are the same, we can see that tan(45) is equal to 1.

Step-by-step explanation:

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Step-by-step explanation:

 

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x={b}}^{2}-4{a}}{2{a}}} 

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Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula. 

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3x^{2}+28x+49=0 

3x2+28x+49=0 

 

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3 

a={3}} 

a=3 

 

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2 

8 

b={28}} 

b=28 

 

= 

4 

9 

c={129}{49}} 

c=49 

 

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2 

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4 over 

6 

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8 

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4 

6 

x={-28+14}{6} 

x=6−28+14 

 

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4 

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7 

3 

x=-{7}{3} 

x=−37 

 

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3 

 

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7

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3 years ago