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NDA || Mathematics || Trigonometry || Trigonometric Identities || Quiz 2020

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Question 1

What is  equal to?

Question 2

What is  equal to?

Question 3

What is (cosec x – sinx) (secx – cosx) (tanx + cotx) equal to?

Question 4

What is (1 + cot x – cosec x) (1 + tan x + sec x) equal to?

Question 5

If , then what is the value of

Question 6

Consider the following statements :
1)
2)
Which of the above is/are correct?

Question 7

What is equal to?

Question 8

Find the value of the expression .

Question 9

If , then the value of  will be:

Question 10

Consider the equations:

I.

II.

Which of the above equation cannot have a solution?

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Oct 27CDS & Defence