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Inessa05 [86]
3 years ago
15

Sine is positive in

Mathematics
1 answer:
In-s [12.5K]3 years ago
7 0

Answer:

sin is only positive in 1st and 2nd quadrants

Step-by-step explanation:

As you may know, sine is defined as y-term or value in (x, y). You can go see a unit circle.

Remember that sine is y while cosine is x.

Since sine is y, It'd be a horizontal line. And since it's a horizontal line, it intersects two points in a unit circle.

Q1 and Q2 both are positive while Q3 and Q4 are negative.

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Line "AB" and line "CD" are perpendicular and intersect at point P. What is the measure of angle APC?​
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Answer:

APC is 90 degrees

Step-by-step explanation:

When lines intersect and are perpendicular. that means the angle of intersection is 90 degrees.

APC is 90 degrees

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4 years ago
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3 years ago
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Vitek1552 [10]

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Step-by-step explanation:

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