If a Cos (theta)+ b Sin (theta) =m and a Sin (theta) - b Cos (theta) =n, Prove that (m²+n²)=(a²+b²)

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If a Cos (theta)+ b Sin (theta) =m and a Sin (theta) - b Cos (theta) =n, Prove that #trigonometricalidentity #trigonometricalidentityproof
#trigonometryproof
#trigonometricalproof
#cbseclass10trigonometry
#icseclass10trigonometry
#ncertclass10trigonometry
#cbsetrigonometry
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#identity #rdsharmatrigonometry #rsagarwaltrigonometry
#trigonometricalratios
#trigonometricalidentitiesproof
#trigonometry #maths #mathematics #math #calculus #algebra #geometry #mathematician #gcse #mathproblems #mathematical #mathteacher #science #mathmemes #differentiation #mathstudent #mathisfun #mathskills #mathteachers #mathproblem #integration #physics #mathtricks #mathtutor #education #mathematicians #mathstudents #derivatives #mathematic #bhfyp
  1. Maths Only Maths
  2. #ifacostheta bsintheta=mandasintheta-bcostheta=nprovethat(m² n²)=(a² b²)
  3. #trigonometricalidentity
  4. #trigonometryoroof
  5. #cbsetrigonometry
  6. #icsetrigonometry
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