The first oil well in India has dug in 1867 AD in Makum in Assam.
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Q1
If asin−1x−bcos−1x=c, then asin−1x+bcos−1x is equal to
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Q2
8. A progressive wave Y=asin(kx- wt) is reflected by rigid wall at X=0. Then the reflected wave can be represented as A)Y=asin(kx+wt) B)Y= acos (kx +wt) C)Y=-asin(kx +wt) D)Y=-asin (kx-wt)
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Q3
What is the difference between the equation of waves y=Asin(wt-kx) & y=Asin(kx-wt).
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Q4
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Q5
If asin−1x−bcos−1x=c, then the value of asin−1x+bcos−1x (whenever exists) is equal to