Question 1: sin(x)cos(x)(1 + tan^{2}(x)) = sin(x) sec(x) tan(x) cos(x) Question 2: (1 - sin^{2}x)/cos(x) + (1 - cos^{2}x)/sin(x) sin(x)+cos(x) sin(x) cos(x) tan(x) Question 3: If α and β are the angles of the right triangle shown in the figure above, then cos^{2}α + cos^{2}β is equal to: 0 1 0.5 -0.5 Question 4: Select the relationship between the angles a and b of the right triangle ABC, in the figure below. sin(a) = cos(a) cos(a + b) = 1 sin(a + b) = 0 sin(a) = cos(b) Question 5: Question 6: Solve the following trigonometric equation: , 0 ≤ x < 2ΒΆ and and and and and 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? A = 4 A = 5 A = 6 A = 8 Press the Submit button to see the results.