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1)if a+b=3-cos4 theta and a-b=4sin theta then ab is always less than or equal to options a) 1/2 b)1 c)2/3 d)3

1)if a+b=3-cos4 theta and a-b=4sin theta  then ab is always less than or equal to
 
options a) 1/2
b)1
c)2/3
d)3

Grade:10

1 Answers

Sumit Majumdar IIT Delhi
askIITians Faculty 137 Points
7 years ago
Dear student,
Can you please confirm if you have:
a+b=3-cos\left ( 4\Theta \right ), a+b=4sin\left ( \Theta \right )
I feel there is some mistake in this.
Please correct the same.
Regards
Sumit

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