College of Admission Tests Multan

Trigonometric Functions

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 10

Solve for n.

trigonom Dup 3 -37214844

(Figure not drawn to scale).

  • 14°
  • 10°
  • 12°

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Correct Answer: A

The angles are supplementary, therefore, the sum of the angles must equal 180°.

(4n+22°)+(8n−10°)=180°

4n+22°+8n−10°=180°

12n+12°=180°

12n=168°

n=14°