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secondary 4 | A Maths
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Hi could anyone anyone help me. thank you
Date Posted: 2 years ago
Views: 187
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Hi. thank you for your help
But I I don’t understand how do u get from the third step to the sin4x/sin2x
Is it u have to use some rule??
But I I don’t understand how do u get from the third step to the sin4x/sin2x
Is it u have to use some rule??
sin (a+b) =
sin (a - b) =
sin (a - b) =
Oh ok thank you
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