1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If (1 + tan θ) (1 + tan 9θ) = 2, then what is the value of tan(10θ)?
A
0
B
1
C
2
D
Infinite
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the value of sin 0° + sin 10° + sin 20° + sin 30° + ⋯ + sin 360°?
A
-1
B
0
C
1
D
2
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the maximum value of the functions $f(x) = \frac{1}{\tan x+\cot x},$ where $0 < x < \frac{\pi}{2}?$
A
$\frac{1}{4}$
B
$\frac{1}{2}$
C
1
D
2
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