Mathematics Practice Test – Trigonometrical Ratios of Angles (Questions with Answers and Explanations)

Hello and Welcome to Mathematics Practice Test - Trigonometrical Ratios of Angles

1. You are to attempt 5 random objectives questions ONLY.
2. Supply Your Full Name and Location in the text box below and begin immediately.
3. You can attempt as many times as possible
1.

If Sin θ = Cos θ, for 0o < θ < 90o, find the value of θ. (WASSCE 1996)

A. 45o, 225o     B. 135o, 315o      C. 45o, 315o      D. 135o, 225o

2.

If tan x = $\dpi{110}2\frac{2}{5}$ , find the value of Sin x; 0o < x < 90o (WASSCE 1996)

A. $\dpi{110}\frac{5}{13}$     B. $\dpi{110}\frac{5}{12}$     C. $\dpi{110}\frac{144}{169}$     D.  $\dpi{110}\frac{12}{13}$.

3.

If Sin (x + 30o) = Cos 40o, find x (WASSCE 1998)

A. 10o   B. 20o   C. 50o   D. 60o

4.

Find the value of x if Cos x = $\dpi{110}\frac{5}{8}$ for 0o < x < 180o (WASSCE 1998)

A. 141.3o      B. 128.7o      C. 51.3o      D. 48.7o

5.

Given that Cos x = 0.7431, 0o < x < 90o, find the value of 2 Sin x. (WASSCE 2000)

A. 0.74o      B. 42.0o      C. 1.34o      D. 0.34o

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