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3 years ago

PLEASE HELP ME FAST! THIS IS A SIMPLE TRIG PROBLEM BUT I SKIPPED CLASS.

Mathematics

1 answer:

NikAS [45]3 years ago

3 0

we can factor the whole thing:

(2sin(x) -1)(sin(x)+1) = 0.

Therefore, sin(x) = -1 and sin(x) = 1/2.

For the first one x = 3π/2 and the second is π/6 and 5π/6

So 3π/2, π/6 and 5π/6 are the solutions.

I do kind of have a problem with this because it doesn't mention if you should go over 360°. Otherwise, you have to add in an 2nπ into the equations like 3π/2 + 2nπ; $n \in \mathbb{W}$

but I don't know if that is necessary for you.

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Complete Question:

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Order the values of the differences from least to greatest.

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Student: Clara. Difference (in.): -1 1/2

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Step-by-step explanation:

See comment for complete question

Given

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$\frac{4}{5}$ , $-1\frac{1}{2}$ , $0.9$

Required

Order from least to greatest

We have: $\frac{4}{5}$ , $-1\frac{1}{2}$ , $0.9$

First convert fractions to decimal

$\frac{4}{5} = 0.8$

$-1\frac{1}{2}= -1.5$

$-\frac{3}{4} = -0.75$

So, the differences become:

$0.8$ , $-1.5$ , $0.9$

Now arrange from least to greatest

$-1.5$ , $0.8$ and $0.9$

From the above representation,

The greatest is: 0.9

By student names, we have:

Clara, Raj and Jacob

This is done by simply replacing the numbers with the student name.

See attachment for number line

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