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Rajan@2021
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Evaluate: sin 60° cos 30° + sin 30° cos 60°

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This is the basic and conceptual question from trigonometry (trigonometric ratios) in which we have to find the value of sin 60° cos 30° + sin 30° cos 60°

RS Aggarwal, Class 10, chapter 11, question no 11.

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1 Answer

  1. Given
    sin60cos30+cos60sin30

    =(√/2)(√3/2)+(1/2)(1/2)   [cos30=sin60=√3/2, sin30=cos60=1/2]

    =(√3/2)^2+(1/2)^2
    =3/4 + 1/4
    =4/4
    =1

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