In triangle JKL, tan(bº) = 3
and cos(bº)
4
4
5
If triangle JKL is dilated by a scale factor of
1
2
what is sin(bº)?
K
bº
O sin(bº) = 36
5
4
O sin(bº) -
5
O sin(bº)
|
Wir
5
O sin(bº) =
4

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

step-by-step explanation:

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