A-Level Edexcel C3 January 2006 Q4b : ExamSolutions
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@billyboo12345 No. sin A = 2 sin A/2 cos A/2
ExamSolutions 1 month ago
I have a question regarding trigonometric identities which I am always confused about. If sin2A= 2sinA cosA, then does sinA= sinA/2 cosA/2?
billyboo12345 1 month ago
@americium2010 Phew - didn't turn into a migrane then.
ExamSolutions 1 month ago
this question gave me an headache thanks for explaining this.
americium2010 1 month ago