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Agata [3.3K]
2 years ago
6

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP HELPELEPLEPE

Mathematics
2 answers:
diamong [38]2 years ago
7 0

Answer:

3/8

Step-by-step explanation:

sin A =  3/√73

cos A = √1 - ( 3/√73)²

          = √64/73

          = 8/√73    ... A in 1st quadrant cos A is positive

tan A = sin A/cos A = ( 3/√73) / ( 8/√73) = 3/8

ss7ja [257]2 years ago
3 0

Answer:

amogus

Step-by-step explanation:

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Taya2010 [7]

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Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

4 0
3 years ago
Consider the quadratic equation x squared = 4x - 5. how many solutions does the equation have?
snow_lady [41]

Answer:

The quadratic equation has two complex solutions

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}=4x-5  

Equate to cero

x^{2}-4x+5=0  

so

a=1\\b=-4\\c=5

substitute in the formula

x=\frac{4(+/-)\sqrt{-4^{2}-4(1)(5)}} {2(1)}

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Remember that

i^{2}=-1

so

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x=2(+/-)i

therefore

The quadratic equation has two complex solutions

5 0
3 years ago
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