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2 ×tansquare45° + cossquare30° -sin square …

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2 ×tansquare45° + cossquare30° -sin square 60°

    • Posted by Ashi Mishra 6 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Rahul Kumar 6 years, 11 months ago

    What is answer

    1Thank You

    Yogita Ingle 6 years, 11 months ago

    tan 45 = 1 cos30= √ 3/2 sin 60 = √ 3/2
    2 tan245 + cos230 - sin2 60
    = 2(1) + (√ 3/2)2 - (√ 3/2)2
    = 2 + 3/4 - 3/4
    = 2

    2Thank You

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