Hello!
1. A chord is a ray joining 2 points situated on a given curve.
2. A tangent is a ray that passes through only one point situated on the curve.
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Answer:
x=7
Step-by-step explanation:
8x-5y=16
8x-40=16
8x=56
x=7
1.3x-2.39=5.76x+4.74
+2.39 +2.39
_________________
1.3x=5.76x+7.13
-5.76x -5.76x
______________
-4.46x=7.13
/-4.46 /-4.46
__________
x=-1.6
D
Sin-495 = 0.98
cos-495 = 0.19
tan-495 = 4.95
sin<span>-20π/3</span> = 0
cos<span>-20π/3</span> = 0.3
tan<span>-20<span>π/3</span></span> = 0
