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13 February, 12:14

Sin75 in sure form using trigonometric identity

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  1. 13 February, 12:27
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    sin75°=sin (45°+30°) = (√6+√2) / 4

    Step-by-step explanation:

    sin75°=sin (45°+30°)

    =sin45°*cos30°+cos45°*sin30°

    = (√2/2) * (√3/2) + (√2/2) * (1/2)

    = (√6+√2) / 4
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