2 years ago

I need help with math

Mathematics

1 answer:

nadya68 [22]2 years ago

8 0

51+60= 111 Answers fast rights

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Simplify the following expression. cot^2x secx-cosx

Solnce55 [7]

ANSWER

$\cos(x) \cot ^{2} (x)$

EXPLANATION

The given expression is;

$\cot^{2} (x) \sec(x) - \cos(x)$

Change everything to

$\sin(x)$

and

$\cos(x)$

This implies that,

$\frac{ \cos^{2} (x) }{ \sin^{2} (x) } \times ( \frac{1}{ \cos(x) } )- \cos(x)$

Cancel the common factors,

$\frac{ \cos(x) }{ \sin^{2} (x) } \times ( \frac{1}{1} )- \cos(x)$

$\frac{ \cos(x) }{ \sin^{2} (x) }- \cos(x)$

$\frac{ \cos(x) - \sin ^{2} (x) \cos(x) }{ \sin^{2} (x) }$

$= \frac{ \cos(x)(1 - \sin ^{2} (x) ) }{ \sin^{2} (x) }$

$= \frac{ \cos(x)(\cos^{2} (x) ) }{ \sin^{2} (x) }$

$= \cos(x) \cot^{2} (x)$

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3 years ago

Which of the following expressions represents the statement below?

qaws [65]

Answer:

C.4N+8

Step-by-step explanation:

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0.1347 to the nearest tenth do not write extra zeros

kherson [118]

Answer: 0.1

In the number 0.1347, the digit in the tenths place is 1. If you look at the digit in the hundredths place, it is 3. Since 3 < 5, the answer is 0.1

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The difference of three times a number and 5 is 10

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