Trigonometry Short Questions (Question 10 - 12)


Question 10:
Which of the following graph represents y = cos 2x?


Solution:
Answer: C

Question 11:
Which of the following graph represents y = cos x for 0ox ≤ 180o?

Solution:
Answer: D


Question 12:
Which graph represents part of y = cos x?

Solution:
Answer: B