32
Solve the following equation : sin
1
4 x
+ sin
sin-x.
5
5
Answers
Answered by
0
Answer:
sorry but I can't recognise question
Answered by
2
Answer:
Correct option is
A
3 roots
B
the roots whose sum is zero
C
roots which form an A.P.
Given
sin
−1
(
5
3x
)+sin
−1
(
5
4x
)=sin
−1
x
sin
−1
⎝
⎛
(
5
3x
)
1−(
5
4x
)
2
+(
5
4x
)
1−(
5
3x
)
2
⎠
⎞
=sin
−1
x
sin
−1
(
25
9x
2
+
25
16x
2
)=sin
−1
x
sin
−1
25
25x
2
=sin
−1
x
sin
−1
x
2
=sin
−1
x
⟹x
2
=∣x∣
⟹x=−1,0,1
Sumof roots is 0
No .of roots =3
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