Mathematics Practice Test – Trigonometry

If Cos x is negative and Sin x is negative, which quadrant is x ?

A. 1st     B. 2nd     C. 3rd     D. 4th

If Cos θ = , what is the value of Tan θ for 0° < θ < 90°

A. 13     B. 5     C.     D.

The positions of three ships P, Q and R at sea are illustrated in the diagram. The arrows indicate the North direction. The bearing of Q from P is 050^o and angle PQR = 72^o. Calculate the bearing of R from Q.

A. 130^o     B. 158^o    C. 222^o     D. 252^o

If Cos θ = and π ≤ θ ≤ 2π; find the value of tan θ.

A.     B.     C.     D.

Find without using tables;

if 4 sin²x - 3 = 0 where 0° ≤ x ≤ 90°

A. 30°     B. 60°     C. 90°     D. 120°