Answer:
Given
sin
θ
+
cosec
=
2
⟹
1
squaring on both sides
(
)
4
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Answer:
Given
sin
θ
+
cosec
θ
=
2
⟹
sin
θ
+
1
sin
θ
=
2
squaring on both sides
(
sin
θ
+
1
sin
θ
)
2
=
4
⟹
sin
2
θ
+
1
sin
2
θ
+
2
(
sin
θ
)
(
1
sin
θ
)
=
4
⟹
sin
2
θ
+
1
sin
2
θ
+
2
=
4
⟹
sin
2
θ
+
1
sin
2
θ
=
2
⟹
sin
2
θ
+
cosec
2
θ
=
2