Trigonometrical Equations 3 Question 10
11. For
(1993, 2M)
(a)
(b)
(c)
(d)
Integer Answer Type Questions
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Answer:
Correct Answer: 11. (b, c)
Solution:
- For
It is clearly a GP with common ratio of
Hence,
Similarly,
and
Now,
Again,
Therefore, (b) is the answer from Eq. (i).
[putting the value of
Therefore, (c) is also the answer.
