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Sign of Trigonometric Ratios

Author:Helen C. Peñate Rodríguez

Look at the right triangle in each quadrant and the signs of the coordinates of A. Based on that, determine the sign of the trigonometric ratios in each quadrant.

The signs of trigonometric ratios in Quadrant II are:

sin()

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  • A
  • B
Check my answer (3)

cos()

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  • A
  • B
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tan()

Tick all that apply
  • A
  • B
Check my answer (3)
The signs of trigonometric ratios in Quadrant III are:

sin()

Tick all that apply
  • A
  • B
Check my answer (3)

cos()

Tick all that apply
  • A
  • B
Check my answer (3)

tan()

Tick all that apply
  • A
  • B
Check my answer (3)
The signs of trigonometric ratios in Quadrant IV are:

sin()

Tick all that apply
  • A
  • B
Check my answer (3)

cos()

Tick all that apply
  • A
  • B
Check my answer (3)

tan()

Tick all that apply
  • A
  • B
Check my answer (3)

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