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Mathematics
Mathematics
Problem
If
a
sin
−
1
x
−
b
cos
−
1
x
=
c
a \sin^{-1} x - b \cos^{-1} x = c
a
sin
−
1
x
−
b
cos
−
1
x
=
c
, then
a
sin
−
1
x
+
b
cos
−
1
x
a \sin^{-1} x + b \cos^{-1} x
a
sin
−
1
x
+
b
cos
−
1
x
is equal to (a) 0 (b)
π
a
b
+
c
(
b
−
a
)
a
+
b
\frac{\pi ab + c(b-a)}{a+b}
a
+
b
π
ab
+
c
(
b
−
a
)
(c)
π
2
\frac{\pi}{2}
2
π
(d)
π
a
b
+
c
(
a
−
b
)
a
+
b
\frac{\pi ab + c(a-b)}{a+b}
a
+
b
π
ab
+
c
(
a
−
b
)
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