Maths edexcel trigonometry
For section 4 Q1c why would 3x be equal to alpha?
(edited 5 months ago)
Original post by taqiyah
For section 4 Q1c why would 3x be equal to alpha?
Youve gone wrong on line 1 (ignoring the missing = sign). The expansion of
Rsin(3x+alpha) = Rsin(3x)cos(alpha) + Rcos(3x)sin(alpha)
Your second term is wrong (repeated first term).
Original post by mqb2766
Youve gone wrong on line 1 (ignoring the missing = sign). The expansion of
Rsin(3x+alpha) = Rsin(3x)cos(alpha) + Rcos(3x)sin(alpha)
Your second term is wrong (repeated first term).
Rsin(3x+alpha) = Rsin(3x)cos(alpha) + Rcos(3x)sin(alpha)
Your second term is wrong (repeated first term).
ohh i see, thank you
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