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Novay_Z [31]
3 years ago
9

Find the ratio for sin(-120)

Mathematics
1 answer:
qaws [65]3 years ago
6 0

Answer:

- [square root (3) / 2]

Step-by-step explanation:

sin( -120) = sin( -120 + 360) = sin 240 = -sin ( 240-180)

-sin60= - [square root (3) / 2]

Remember Sin is negative in the 3rd quadrant and 240 falls on the 3rd quadrant.

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5•10^6 is how many times as large as 5•10^6
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Step-by-step explanation:

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|w| + 1.2 > 0.8 solution or no solution
Tasya [4]

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5 0
3 years ago
Which expression is equivalent to (x^4/3 x^2/3)^1/3?
KATRIN_1 [288]

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Step-by-step explanation:

We have several properties of exponents in use here. The two that are used are:

(x^{a})(x^{b}) = x^{a + b} <em>(Exponents with the same base that are being multiplied together can have the exponents added)</em>

(x^{a})^{b} = x^{(a)(b)} <em>(A base raised to a power, and then raised to another power means that you can multiply the exponents to get the same result as doing inside operations and then outside operations)</em>

<em />

Let's apply it!

First, let's simplify what's inside the parenthesis.

x^{\frac{4}{3} } x^{\frac{2}{3} } <em>(Remember, they have the same base of "x", so we can add the exponents)</em>

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Now we have (x^{2})^{\frac{1}{3} }. Let's use the second rule.

(x^{2})^{\frac{1}{3} } = x^{\frac{2}{3} }

Hope this helps! :^)

7 0
4 years ago
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