If = , Find the value of .
-m
m
-1/m
1/m
As we learnt
Subtraction Formulae -
- wherein
A and B are two angles.
Given, =
or, = [by componendo and dividendo].
or, =
or,
or, or, tan.cot = -
or, -tancot = - [Qcot(-q) = -cotq]
or, m = cot
m = tan = tan
Option 1)
-m
Option 2)
m
Option 3)
-1/m
Option 4)
1/m
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