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Byju's Answer
Standard X
Mathematics
Trigonometric Ratios of a Right Triangle
Problems usin...
Question
Problems using domain and range of trigonometric ratios
(
sin
,
cos
,
tan
)
. Range of
f
(
x
)
=
sin
20
x
+
cos
48
x
is?
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Solution
0
≤
sin
2
n
θ
≤
1
;
0
≤
cos
2
k
θ
≤
1
∴
0
≤
f
(
x
)
=
sin
20
x
+
cos
48
x
≤
1
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0
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