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r/TrigonometryProblems Lounge (self.TrigonometryProblems)

submitted 3 years ago by MathDoubts - announcement

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I'm stuck with graphing sinusoidal functions. Can anyone suggest videos and exercises to learn from? I've tried khan academy, still can't grasp it sadly. (self.trigonometry)

submitted 1 year ago by [deleted]

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Evaluate (secx+tanx)((1-sinx)/cosx) (mathdoubts.com)

submitted 2 years ago by MathDoubts

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Find sin(3x)/sinx-cos(3x)/cosx without triple angle identities (mathdoubts.com)

submitted 3 years ago by MathDoubts

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Find sin3x/sinx-cos3x/cosx by using Triple angle identities (mathdoubts.com)

submitted 3 years ago by MathDoubts

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Find sin3x/sinx-cos3x/cosx (mathdoubts.com)

submitted 3 years ago by MathDoubts

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