If and
then
is
As we learnt in
Trigonometric Equations -
The equations involving trigonometric function of unknown angles are known as trigonometric equations.
- wherein
e.g.
Square both side we get
Now , or
(1) if
But Not Possible.
(2) if
Here
Option 1)
Incorrect
Option 2)
Incorrect
Option 3)
Correct
Option 4)
Incorrect
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