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Trigonometry : - ( Triple angle formula of Sin3A , Cos3A ) -- 36
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Compound and multiple angles :
Proving Triple angle formula : Sin3A = 3SinA -- 4 x cubue of SinA and
Cos3A = 4 x cube of CosA -- 3CosA .
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Proving Triple angle formula : Sin3A = 3SinA -- 4 x cubue of SinA and
Cos3A = 4 x cube of CosA -- 3CosA .
Please subscribe our YouTube channel & Like our facebook page to keep update on latest uploads.
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