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Byju's Answer
Standard XII
Mathematics
Iota
If θ = ba,,...
Question
If
cot
θ
=
b
a
,
, then find the value of
cos
θ
+
sin
θ
cos
θ
−
sin
θ
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Solution
cot
θ
=
b
a
.....(given)
∴
cos
θ
+
sin
θ
cos
θ
−
sin
θ
=
cos
θ
+
sin
θ
sin
θ
cos
θ
−
sin
θ
sin
θ
=
cot
θ
+
1
cot
θ
−
1
=
b
/
a
+
1
b
/
a
−
1
=
b
+
a
b
−
a
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