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"28th question".
#Class 12th
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EXPLANATION.
If cos(y) = x cos(a + y) with cos(a) ≠ ± 1.
As we know that,
We can write equation as,
⇒ cos(y)/cos(a + y) = x.
Differentiate w.r.t x, we get.
As we know that,
Division rule Or quotient rule.
Using this formula in equation, we get.
MORE INFORMATION.
Differentiation of f(x), g(x) type function.
When base and power both are the functions of x that is the function is of the form of
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