The value of
is equal to:
As we learnt in
Trigonometric Ratios of Submultiples of an Angle -
- wherein
This shows the formulae for half angles and their doubles.
Let
As, ..............( i )
Then, the expression becomes
- {Dividing numerator and denominator by |cos t|}
- {From ( i )}
Option 1)
This option is correct.
Option 2)
This option is incorrect.
Option 3)
This option is incorrect.
Option 4)
This option is incorrect.
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