Trigonometrical Equations 1 Question 8
8. If sum of all the solutions of the equation
in
(a)
(b)
(c)
(d)
(2018 Main)
Show Answer
Answer:
Correct Answer: 8. (b)
Solution:
- Key idea Apply the identity
and
We have,
Sum
Hence,
in
(a)
(b)
(c)
(d)
(2018 Main)
Correct Answer: 8. (b)
Solution:
and
We have,
Sum
Hence,
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