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Byju's Answer
Standard XII
Mathematics
Principal Solution of Trigonometric Equation
If θ+tanθ=p...
Question
If
sec
θ
+
tan
θ
=
p
, find the value of
csc
θ
Open in App
Solution
As
sec
2
θ
−
tan
2
θ
=
1
(
sec
θ
−
tan
θ
)
P
=
1
sec
θ
−
tan
θ
=
1
p
...(1)
sec
θ
+
tan
θ
=
p
...(2)
eqn. (1) + (2)
sec
θ
=
1
2
(
p
+
1
p
)
...(3)
eqn. (1) - (2)
tan
θ
=
−
1
2
(
1
p
−
p
)
...(4)
eqn. (3)
÷
(4)
c
o
s
e
c
θ
=
p
2
+
1
p
2
−
1
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Principal Solution of Trigonometric Equation
Standard XII Mathematics
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