Complete the following statement. For a point​ P(x,y) on the terminal side of an angle θ in standard​ position, we let r= . Then sinθ= ​, cosθ= ​, and tanθ= .

Trigonometry (MindTap Course List)
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ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
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Chapter2: Right Triangle Trigonometry
Section2.5: Vectors: A Geometric Approach
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Complete the following statement.
 
For a point​ P(x,y) on the terminal side of an angle
θ
in standard​ position, we let
r=                         .
Then
sinθ=                         ​,
cosθ=                         ​,
and
tanθ=                         .
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