1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

What is the value of the following?

tan 31° tan 33° tan 35° _ _ _ _ _ tan 57° tan 59°

A
-1
B
0
C
1
D
2
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

What is the value of the following?

(sin 24° + cos 66°)(sin 24° - cos 66°)

A
-1
B
0
C
1
D
2
3
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

What is (1 + cot θ - cosec θ)(1 + tan θ + sec θ) equal to?

A
1
B
2
C
3
D
4
4
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

What is $\rm \frac{1+tan^2\theta}{1+cot^2\theta}-\left(\frac{1-tan\theta}{1-cot\theta}\right)^2$equal to?

 

A
0
B
1
C
2 tanθ
D
2 cotθ
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