Let
f(x) = ab.sin(3x) + b/1 - a² cos(3x)
where 0 < a < 1, then maximum f(x)
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Given:
A function f(x) = ab.sin(3x) + b/1 - a² cos(3x) .
To find:
Maximum value of f(x) i.e. f max.
Solution:
Maximum value of Sin x =1
Also, maximum value of cos x =1
But, f(x) is of the form p.sin x + q.cos x, In such cases maximum value of function is
=> F max =
Hence, maximum value of f(x) is .
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