Question
Mathematics Question on types of differential equations
If 0<θ≤90°, then the minimum value of 4cot2θ +9 tan2 θ is
A
0
B
12
C
-12
D
13
Answer
12
Explanation
Solution
The correct option is (B): 12
If 0<θ≤90°, then the minimum value of 4cot2θ +9 tan2 θ is
0
12
-12
13
12
The correct option is (B): 12