Hi could anyone anyone help me. thank you

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secondary 4 | A Maths
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secondary 4 A Maths Singapore

Hi could anyone anyone help me. thank you

Date Posted: 3 years ago

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Date Posted: 3 years ago

Priya

3 years ago

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??

NABIL EL EUCH

3 years ago

sin (a+b) =
sin (a - b) =

Priya

3 years ago

Oh ok thank you