in the above mentioned pic...
find it's value
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it's answer is option (b)
as we put the value of alpha =pi/2 and take lcm of both and by solving this we get answer....
as we put the value of alpha =pi/2 and take lcm of both and by solving this we get answer....
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Answer:
Option B.
Step-by-step explanation:
Hope it will help you.
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