Question

- Construct an angle in standard position whose terminal arm passes through A (-6,8). Hence find all
trigonometric ratios of this angle.
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Answer 1

Tanα = - 4/3 ,  Sin α = 4/5 & Cosα = - 3/5  for an angle padding through (-6 , 8)

Step-by-step explanation:

Standard form

So it passes through  -6 , 8   & 0 , 0

Slope = (8 -0)/( -6  -0)

=> Slope= 8/-6

=> Slope = - 4/3

Tanα = - 4/3

Sinα  =  4/(√4² + 3²)

=> Sin α = 4/5

Cosα = -3/(√4² + 3²)

=> Cosα = - 3/5

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