Math, asked by NaniNarendra, 9 months ago

cos 3x = sin (3x- 36)
............

Answers

Answered by Anonymous

2

$cos 3x = sin(3x - 36)$

$sin(90 - 3x) = sin(3x - 36)$

$90 - 3x = 3x - 36$

$90 + 36 = 3x + 3x$

$126 = 6x$

$x = 21$

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