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Elective Mathematics

Elective Mathematics · Quick practice · answer shown after each question

Trigonometric functions

Question 1 of 10

Question 1 of 10

The period of y = sin 2x is

Question 2 of 10

Question 2 of 10

Solve 2 sin θ = 1 for 0° ≤ θ ≤ 180°.

Question 3 of 10

Question 3 of 10

Convert 135° to radians.

Question 4 of 10

Question 4 of 10

Find the exact value of tan 45°.

Question 5 of 10

Question 5 of 10

The area of a sector of radius 4 cm and angle π/4 is

Question 6 of 10

Question 6 of 10

In which quadrant are both sine and cosine negative?

Question 7 of 10

Question 7 of 10

What is the exact value of sin 120°?

Question 8 of 10

Question 8 of 10

Find cos 150°.

Question 9 of 10

Question 9 of 10

Find the exact value of sin 30°.

Question 10 of 10

Question 10 of 10

What is cos(−60°)?

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.