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SSC CGL 17th August Shift 1 - QA
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Question:
s
e
c
2
θ
+
cos
e
c
2
θ
sin
θ
(
1
+
cos
θ
)
1
+
cos
θ
-
sin
2
θ
, 0° < θ < 90° is equal to:
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