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  • Trigonometry
  • Tests in trigonometry of the right triangle
  • Sine, cosine and tangent ratio

Sine, cosine and tangent ratio

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  • Question 1:
    1 pts
    		The side that is opposite of ∠\angle RPQ is:
    RP
    RQ
    PQ
  • Question 2:
    1 pts
    		The side that is adjacent to ∠\angle UWV is:
    UW
    WV
    UV
  • Question 3:
    1 pts
    		Which of the following is not correct?
    sin⁡α=ac\sin\alpha = \frac{a}{c}
    cos⁡α=bc\cos\alpha = \frac{b}{c}
    tan⁡α=ba\tan\alpha = \frac{b}{a}
  • Question 4:
    1 pts
    		Which of the following is correct?
    sin⁡β=ac\sin\beta = \frac{a}{c}
    cos⁡β=bc\cos\beta = \frac{b}{c}
    tan⁡β=ba\tan\beta = \frac{b}{a}
  • Question 5:
    1 pts
    		Is the following statement true or false? sin⁡α=35\sin\alpha = \frac35
  • Question 6:
    1 pts
    		Is the following statement true or false? tan⁡α=125\tan\alpha = \frac{12}5
  • Question 7:
    2 pts
    		Is the following statement true or false? sin⁡β=35\sin\beta = \frac35
  • Question 8:
    2 pts
    		Is the following statement true or false? cos⁡β=513\cos\beta = \frac5{13}
  • Question 9:
    3 pts
    		In △ABC\triangle{ABC}, ∠C\angle{C} is a right angle, AC=6AC=6, BC=8BC=8 find sin⁡A\sin{A}.
    sin⁡A=0.6\sin{A} = 0.6
    sin⁡A=0.8\sin{A} = 0.8
    sin⁡A=0.75\sin{A} = 0.75
  • Question 10:
    3 pts
    		In △PQR\triangle{PQR}, ∠R\angle{R} is a right angle, PR=8PR=8, PQ=17PQ=17. Find cos⁡Q\cos{Q}.
    cos⁡Q=1517\cos{Q} = \frac{15}{17}
    cos⁡Q=817\cos{Q} = \frac8{17}
    cos⁡Q=178\cos{Q} = \frac{17}8
    cos⁡Q=1715\cos{Q} = \frac{17}{15}

Angle Measurement

Right triangle

Unit circle

Trigonometric identities