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Byju's Answer
Standard XI
Mathematics
General Solutions of (sin theta)^2 = (sin alpha)^2 , (cos theta)^2 = (cos alpha)^2 , (tan theta)^2 = (tan alpha)^2
If log 0.5sin...
Question
If log
0.
5
sinx = 1 - log
0.
5
cosx then number of values of
x
∈
[
−
2
π
,
2
π
]
is
A
1
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B
2
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C
3
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D
4
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Solution
The correct option is
D
4
log
0.5
sinx = 1 - log
0.5
cosx
x
∈
[
−
2
π
,
2
π
]
sinx
>
0 and cosx
>
0
sin
2
x
=
1
2
x
∈
[
−
4
π
,
4
π
]
⇒
4 solutions
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General Solutions of (sin theta)^2 = (sin alpha)^2 , (cos theta)^2 = (cos alpha)^2 , (tan theta)^2 = (tan alpha)^2
Standard XI Mathematics
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