Question
Mathematics Question on Trigonometric Functions
Which one of the following is not true?
A
∣sinx∣≤1
B
−1≤cosx≤1
C
∣secx∣<1
D
cosecx≥1 or cosecx≤−1
Answer
∣secx∣<1
Explanation
Solution
Answer (c) ∣secx∣<1
Which one of the following is not true?
∣sinx∣≤1
−1≤cosx≤1
∣secx∣<1
cosecx≥1 or cosecx≤−1
∣secx∣<1
Answer (c) ∣secx∣<1