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3 years ago

Help me ASAP for this question

Mathematics

1 answer:

erica [24]3 years ago

6 0

Answer:

dodecagon

Step-by-step explanation:

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Angle A is in standard position and terminates in quadrant IV. If sec(A)=4/3, complete the steps to find cot(A).

Butoxors [25]

Answer:

Part A) Use the identity $tan^2(A)+1=sec^2(A)$

Part B) $cot(A)=-\frac{3\sqrt{7}}{7}$

Step-by-step explanation:

we know that

$tan^2(A)+1=sec^2(A)$ ----> by trigonometric identity

we have

$sec(A)=\frac{4}{3}$

substitute in the expression above

$tan^2(A)+1=(\frac{4}{3})^2$

solve for tan(A)

$tan^2(A)+1=\frac{16}{9}$

$tan^2(A)=\frac{16}{9}-1$

$tan^2(A)=\frac{7}{9}$

square root both sides

$tan(A)=\pm\frac{\sqrt{7}}{3}$

Remember that Angle A terminates in quadrant IV

The value of tan(A) is negative

$tan(A)=-\frac{\sqrt{7}}{3}$

<em>Find the value of cot(A)</em>

we know that

$cot(A)=\frac{1}{tan(A)}$ ----> is the reciprocal

therefore

$cot(A)=-\frac{3}{\sqrt{7}}$

simplify

$cot(A)=-\frac{3\sqrt{7}}{7}$

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tangare [24]

Answer:

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Please help asap 25 pts + brainliest to right/best answer

patriot [66]

Look at the picture.

<h3>Answer: d. (-3, 1)</h3>

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Which is the following quotient 1/1+3 squared

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Answer:

Step-by-step explanation:

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Find the value of 5.8 divided by 1.2

Katena32 [7]

It is easier to do if we get rid of the decimals, so lets multiply both numbers by 10:
5.8/1.2 = 58/12
and reduce the fraction:
= 29/6
then operate:
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