PRECALCULUS PROBLEMS AND SOLUTIONS
(Part - 7)

Problem 1 :

Which of the following could be the equation of the graph shown in xy-plane?

Solution :

Problem 2 :

Which function is graphed?

A)  y = 3cot(x) + 2

B)  y = 3cot(x + 3)

C)  y = 3tan(x) + 2

D)  y = 3cot(x + 2)

Solution :

Problem 3 :

(i)  What is the period of the function?

(ii)  Where are the asymptotes of the function?

(iii)  What are the x-intercepts of the function?

Solution :

Problem 4 :

Find sin 2θ, cos 2θ and tan 2θ, given cos θ = -12/13 and sin θ > 0.

Solution :

Problem 5 :

Find sin θ and cos θ, given cos 2θ = 3/4, with θ terminating in quadrant III.

Solution :

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