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Determine the interval in which the …

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Determine the interval in which the function f(x) = sin 3x - cos 3x, 0<x<pi is strictly increasing or decreasing

Posted by Shalu Yadav 4 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Gaurav Seth 4 years, 4 months ago

f(x) = sin 3x - cos 3x , 0 < x < π,

or f'(x) = 3 cos 3x + 3 sin 3x

= 3(cos 3x + sin 3x)

Put f'(x) = 0

or cos 3x + sin 3x = 0

1Thank You

ANSWER

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