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Byju's Answer
Standard X
Mathematics
Range of Trigonometric Ratios from 0 to 90 Degrees
Find the valu...
Question
Find the value of
s
i
n
48
o
+
c
o
s
42
o
c
o
t
42
o
−
1
s
e
c
48
o
.
A
s
i
n
42
o
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B
s
i
n
48
o
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C
s
e
c
48
o
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D
c
o
t
42
o
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Solution
The correct option is
A
s
i
n
42
o
Consider,
s
i
n
48
o
+
c
o
s
42
o
c
o
t
42
o
−
1
s
e
c
48
o
=
s
i
n
48
o
+
c
o
s
42
o
c
o
s
42
o
s
i
n
42
o
−
c
o
s
48
o
=
s
i
n
48
o
s
i
n
42
o
+
s
i
n
42
o
c
o
s
42
o
−
c
o
s
42
o
c
o
s
48
o
c
o
s
42
o
=
−
(
c
o
s
42
o
c
o
s
48
o
−
s
i
n
42
o
s
i
n
48
o
)
+
s
i
n
42
o
c
o
s
42
o
c
o
s
42
o
=
−
c
o
s
90
o
+
s
i
n
42
o
c
o
s
42
o
c
o
s
42
o
=
s
i
n
42
o
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cos
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(i) Show that
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Q.
If sin | sin-s-cos-1 x 1 then find the value of xsin+osx-1, then find the value of x14.
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Range of Trigonometric Ratios from 0 to 90 Degrees
Standard X Mathematics
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