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Taya2010 [7]
2 years ago
7

Need help on geometry

Mathematics
2 answers:
Rama09 [41]2 years ago
7 0
ASA, SAS, AAS,

if LA stands for leg-angle then you could do that too
goldfiish [28.3K]2 years ago
4 0
I believe B-E as for the other, not sure
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A car drvies at a speed of 60 mph for 30 minutes. Calculate how far it travles
Studentka2010 [4]

Answer:

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2 years ago
Probe that:<br><img src="https://tex.z-dn.net/?f=%20%5Csec%20%5Calpha%20%20%5Csqrt%7B1%20-%20%20%5Csin%28%20%7B%7D%5E%7B2%7D%20%
Nataly [62]

Step-by-step explanation:

<h3>\sec \alpha  \sqrt{1 -  \sin ^{2}   \alpha }  = 1</h3>

Prove the LHS

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We have

<h3>\sec \alpha  \sqrt{ \cos^{2} \alpha  }</h3>

<h3>\sqrt{ { \cos }^{2}  \alpha }  =  \cos \alpha</h3>

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<h3>\sec  \alpha  \times  \cos \alpha</h3>

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<h3>\sec \alpha  =  \frac{1}{ \cos \alpha }</h3>

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<h3>\frac{1}{\cos \alpha }  \times  \cos \alpha</h3>

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<h2>1</h2>

As proven

Hope this helps you

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