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nikklg [1K]
4 years ago
9

Select one: A. CSC∅=1/SIN∅ OR B. COT∅=√1-SIN^2∅/SIN∅

Mathematics
1 answer:
Elanso [62]4 years ago
5 0
A is correct. Cosecant is defined as the reciprocal of sine.

B is also correct... \frac{\sqrt{1-sin^2x}}{sinx} = \frac{\sqrt{cos^2x}}{sinx} = \frac{cosx}{sinx}=cotx
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HELLLLP LAST QUESTION!!!
amm1812
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3 years ago
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Sergio [31]
The first step for solving this is to cancel equal terms on both sides of the inequality.
- \frac{x}{2} < 0
Now multiply both sides of the inequality by -2 and flip the inequality sign.
-2 × (- \frac{x}{2}) > -2 × 0
Remember that multiplying two negatives together always equals a positive,, so the expression changes to the following:
2 × \frac{x}{2} > -2 × 0
Reduce the numbers with 2.
x > -2 × 0
Any expression multiplied by 0 equals 0,, so the correct answer to your question will be:
x > 0
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8 0
4 years ago
What value of x <br> in the solution set of 2(3x – 1) ≥ 4x – 6?
Brrunno [24]
First, you must distribute 2(3x-1).
To do that, you will multiply 2•3x, and 2•-1 because you are taking the number outside of the parentheses and multiplying (distributing) it to all the numbers inside

After distributing, the left side of your inequality will be 6x-2

Now you have
6x - 2 \geqslant 4x - 6

To find the value of x, you must subtract an x value from both sides of the equation, as well as a constant from each side.

so you have
6x - 2 \geqslant 4x - 6 \\ - 6x \geqslant + 6
And that will make the equation
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3 years ago
Read 2 more answers
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3 years ago
8. Which of the following expressions is a factored form
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Answer:

D

Step-by-step explanation:

(3x+2)(x-4)

3x^2-12x+2x-8

3x^2-10x-8=0

7 0
3 years ago
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