Trigonometry Identities Quiz


Question 1: sin(x)cos(x)(1 + tan2(x)) =

Question 2: (1 - sin2x)/cos(x) + (1 - cos2x)/sin(x)

Question 3:

If α and β are the angles of the right triangle shown in the figure above, then cos2α + cos2β is equal to:

Question 4: Select the relationship between the angles a and b of the right triangle ABC, in the figure below.

Question 5:

Question 6: Solve the following trigonometric equation:

, 0 ≤ x < 2ΒΆ

Question 7: The lengths of the sides AB and BC of the triangle below are AB = 4 and BC = 6. What is the area A of triangle ABC?

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