then prove that a cosθ – b sinθ = a^2+b^2+c^2−−√.

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If a sinθ + b cosθ = c, then prove that a cosθ – b sinθ = a^2+b^2+c^2−−√.
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If a sinθ + b cosθ = c, then prove that a cosθ – b sinθ = a^2+b^2+c^2−−√. If a sinθ + b cosθ = c then prove that a cosθ – b sinθ = a^2+b^2+c^2−−√. November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
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