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cricket20 [7]
3 years ago
6

Find the distance between (1,2) and ( 7,2

Mathematics
1 answer:
OLga [1]3 years ago
4 0
The distance between these points are 6
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Which pair of expressions are equivalent?
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second one

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How can the Pythagorean Identity be used to find sin θ, cos θ, or tan θ and the quadrant location of the angle?
Archy [21]

First lets see the pythagorean identities

sin^2 \Theta + cos^2 \Theta =1

So if we have to solve for sin theta , first we move cos theta to left side and then take square root to both sides, that is

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Now we need to check the sign of sin theta

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So if theta is in second quadrant, then we have to positive sign but if theta is in third or fourth quadrant, then we have to use negative sign .

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