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2 years ago

What vocabulary term means 1 of 1,000 equal parts of a whole

Mathematics

1 answer:

svlad2 [7]2 years ago

3 0

Answer:

one thousandnths, sorry i cant rlly spell it

Step-by-step explanation:

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Prove the trigonometric identity

Annette [7]

Answer:

Proved See below

Step-by-step explanation:

Man this one is a world of its own :D Just a quick question are you a fellow Add Math student in O levels i remember this question from back in the day :D Anyhow Lets get started

For this question we need to know the following identities:

$1+tan^{2}x=sec^2x\\\\1+cot^2x=cosec^2x\\\\sin^2x+cos^2x=1$

Lets solve the bottom most part first:

$1-\frac{1}{1-sec^2x} \\\\$

Take LCM

$1-\frac{1}{1-sec^2x} \\\\\frac{1-sec^2x-1}{1-sec^2x} \\\\\frac{-sec^2x}{1-sec^2x} \\\\\frac{-(1+tan^2x)}{-tan^2x}$

now break the LCM

$\frac{-1}{-tan^2x}+\frac{-tan^2x}{-tan^2x}\\\\\frac{1}{tan^2x}+1\\\\cot^2x+1$

because 1/tan = cot x

and furthermore,

$cot^2x+1\\cosec^2x$

now we solve the above part and replace the bottom most part that we solved with $cosec^2x$

$\frac{1}{1-\frac{1}{cosec^2x} } \\\\\frac{1}{1-sin^2x} \\\\\frac{1}{cos^2x}\\\\sec^2x$

Hence proved! :D

4 0

2 years ago

A line has an equation of y = - 3x + 8. What is the y-intercept of the line? Please enter your answer as a coordinate (x, y). *

mina [271]

Answer:

(0, 8).

Step-by-step explanation:

The y intercept occurs when = 0, so we have the equation:

y = -3(0) + 8

y = 0 + 8

y = 8.

The answer is (0, 8).

6 0

3 years ago

Which equation represents the circle shown in the graph?

marta [7]

Answer:

i think 3

Step-by-step explanation:

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3 years ago

What is the slope of the line

Andru [333]

Answer:

The slope of the line is the ratio of the rise to the run, or rise divided by the run.

Step-by-step explanation:

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2 years ago

You just bought three equally expensive pairs of sneakers and received 20 dollars in change after giving the clerk two You just

dimaraw [331]

Answer:

Step-by-step explanation:

7 0

2 years ago

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