1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the function $$f(\theta ) = 4({\sin ^2}\theta + {\cos ^4}\theta )$$
What is the maximum value of the function $$f(\theta )$$ ?
A
1
B
2
C
3
D
4
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the function $$f(\theta ) = 4({\sin ^2}\theta + {\cos ^4}\theta )$$
What is the minimum value of the function f($$\theta$$) ?
A
0
B
1
C
2
D
3
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the function $$f(\theta ) = 4({\sin ^2}\theta + {\cos ^4}\theta )$$
Consider the following statements

1. $$f(\theta ) = 2$$ has no solution.

2. $$f(\theta ) = {7 \over 2}$$ has a solution.

Which of the above statement(s) is/are correct?
A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider a $$\Delta$$ABC in which $$\cos A + \cos B + \cos C = \sqrt 3 \sin {\pi \over 3}$$
What is the value of $$\sin {A \over 2}\sin {B \over 2}\sin {C \over 2}$$ ?
A
$${1 \over 2}$$
B
$${1 \over 4}$$
C
$${1 \over 8}$$
D
$${1 \over 16}$$
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