If 3Sinx+4Cosx=5 then prove that 3Cosx-4Sinx=0.take x as thita.,.

Draw a 3, 4, 5 right triangle with x as one of the acute angles. Therefore, Sin(x) = 3/5; Cos(x) = 4/5. So 3Sin(x) + 4Cos(x) = 3.3/5 + 4.4/5 = 9 ...Read more

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If 3 Sin X + 4 Cos X = 5, Then 4 Sin X − 3 Cos X =

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3sinx+4cosx=5. Do sqaring on both sides. The equation will be as :- 9sin 2 x+16cos 2 x+24sinx.cosx=25. Let the above equation be no.1. Think that the value ofRead more

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Detailed step by step solution for 3sin(x)+4cos(x)=5.

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You can do it by this method… 3sinx + 4cosx = 5 * (3sinx + 4cosx)^2 = 25 × 1 * 9sin^2x + 16cos^2x + 2.3sinx.Read more

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1625=cos2β. Since β is in the first quadrant, cosβ=45,. therefore sinβ=35. Then x=β+2nπ,. cosx=45,. sinx=35. 3sinx+4cosx=335+445=255=5.Read more

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Find the value for θ θ by substituting the coefficients from 3sin(x) 3 sin ( x ) and 4cos(x) 4 cos ( x ) into θ=tan−1(ba) θ = tan -1 ( b a ) . θ=tan ...Read more

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Let y = 3 sin x + 4 cos x - 5. ⇒ (y+5) = 3 sin x + 4 cos x. Recall that for all real values of x, −√(a 2 +b 2 ) ≤ (Read more

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