Trigonometric EquationHard
Question
The solution of the differential equation
tan y =
is : -
Options
A.
cosy =
+ K
B.
cot y =
+ K
C.
cosec y =
+ K
D.
cosec x =
+ K
Solution
cot y cosec y
+ cosecy
...(i)
Put cosecy = z
- cosecy coty

⇒
∴ I.F. = 
∴ Solution is z.
dx + K
or
cosec y =
+ K.
Put cosecy = z
- cosecy coty
⇒
∴ Solution is z.
or
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