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2 years ago

HELP PLS AND BE QUICK!!! I NEED IT SOON

Mathematics

2 answers:

babymother [125]2 years ago

6 0

Yuh same bro i had that same question and jusg left it blank

enyata [817]2 years ago

5 0

Answer:

Step-by-step explanation:

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Tính kết quả \sqrt[3]{1}

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2 years ago

Joey drives his car 80 miles per hour on the highway. Write an equation that relates his distance traveled. (d) to the time elap

marta [7]

Answer:

d=80+t? hope that helps not much info in this

Step-by-step explanation:

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2 years ago

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3 years ago

Which equation matches the graph?

SashulF [63]

Answer:

I think its B but I'm not taht smart

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2 years ago

If sin A = 3/8, find the value of cosec A - sec A.

alexira [117]

Answer:

$\csc A - \sec A = \dfrac 83 + \dfrac{8}{\sqrt{55}}\\\\\csc A - \sec A = \dfrac 83 - \dfrac{8}{\sqrt{55}}$

Step by step explanation:

$\text{Given that,}\\\\~~~~~~\sin A = \dfrac 38 \\\\\implies \sin^2 A = \dfrac 9{64}\\\\\implies 1 - \cos^2 A = \dfrac{9}{64}\\\\\implies \cos ^2 A = 1 - \dfrac 9{64}\\\\\implies \cos^2 A = \dfrac{55}{64}\\\\\implies \cos A =\pm\sqrt{\dfrac{55}{64}}\\ \\\implies \cos A = \pm\dfrac{\sqrt{55}}8\\\\$

$\implies \dfrac 1{\cos A} = \pm\dfrac{8}{\sqrt{55}}$

$\text{Now,}\\\\\csc A - \sec A\\\\=\dfrac{1}{\sin A}- \dfrac{1}{\cos A}\\\\=\dfrac 83 -\left(\pm \dfrac 8{\sqrt {55}} \right)\\ \\\text{Hence,}\\\\\csc A - \sec A = \dfrac 83 + \dfrac{8}{\sqrt{55}}\\\\\csc A - \sec A = \dfrac 83 - \dfrac{8}{\sqrt{55}}$

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2 years ago