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3 years ago

Find the exact real value of arcsinThe quantity negative one half.

Mathematics

2 answers:

soldi70 [24.7K]3 years ago

8 0

Answer:

210 or 330 degrees for angles between 0 and 360 degrees.

Step-by-step explanation:

Arcsin (1/2) = 30 degrees if the angle is in the first quadrant.

The sine is negative in the third and fourth quadrants so arcsin (-1/2)

= 210 or 330 degrees for angles between 0 and 360 degrees.

Nikolay [14]3 years ago

3 0

Answer:

-pi/6

Step-by-step explanation:

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Oxana [17]

Answer:

Step-by-step explanation:

AS we can see the lines are parallel so

2 ( 4x - 3) + 7(x + 3) = 180° ( being so - interior angles)

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3 years ago

At what point will 3y=4x-6 and 8x-6y=-30 intercept

tester [92]

Answer:

The lines don't intercept

Step-by-step explanation:

we have

$3y=4x-6$

isolate the variable y

Divide by 3 both sides

$y=\frac{4}{3}x-\frac{6}{3}$

simplify

$y=\frac{4}{3}x-2$ -----> equation A

$8x-6y=-30$

Isolate the variable y

$6y=8x+30$

Divide by 6 both sides

$y=\frac{8}{6}x-\frac{30}{6}$

simplify

$y=\frac{4}{3}x-5$ -----> equation B

Compare equation A and equation B

The slopes are the same and the y-intercepts are different

Remember that

If two lines has the same slope, then the lines are parallel

therefore

In this problem line A and line B are parallel lines

The system of equations has no solution, because the lines don't intercept

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