Range of Trigonometric Function (Jee Mains) | ExamDuo
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Application of Derivates
Medium
Range of Trigonometric Function
If the range of
f
(
θ
)
=
s
i
n
4
θ
+
3
cos
2
θ
s
i
n
4
θ
+
cos
2
θ
,
θ
∈
ℝ
is
[
α
,
β
]
, then the sum of the infinite G.P., whose first term is 64 and the common ratio is
α
β
, is equal to ______.
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