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Byju's Answer
Standard XII
Mathematics
Condition for Monotonically Increasing Function
Two SHMs are ...
Question
Two SHMs are represented by
y
1
= A sin (
ω
t +
ϕ
),
y
2
= A/2 [sin
ω
t +
√
3
cos
ω
t]. Find ratio of their amplitudes.
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Solution
y
2
= A/2 [sin
ω
t +
√
3
cos
ω
t] = A[1/2
ω
t +
√
3
/2cos
ω
t]
= A [sin (
π
/3)cos
ω
t + cos (
π
/3)
ω
t]
y
2
= A sin (
ω
t +
π
/3) and
y
1
= A sin (
ω
t +
ϕ
)
so,
A
1
/
A
2
= 1
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Condition for Monotonically Increasing Function
Standard XII Mathematics
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