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Question 1
If , then the value of is equal to
Question 2
If is equal to
Question 3
If is equal to
Question 4
If , the value of is
Question 5
Consider the following statements :
1) There exists no triangle ABC for which sin A + sin B = sin C
2) If the angles of a triangle are in the ratio 1 : 2 : 3, then its sides will be in the ratio .
Which of the above statements is/are correct?
Question 6
Consider the following statements :
1) Value of sin θ oscillates between -1 and 1
2) Value of cos θ oscillates between 0 and 1.
Which of the above statements is/are correct?
Question 7
If A + B + C = π, then what is cos (A + B) + cos C equal to?
Question 8
If cos x + sec x = 2, then what is cosn x + secn x equal to, where n is a positive integer?
Question 9
The value of
Question 10
What is the value of ?
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Nov 15CDS & Defence