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If 4tan theta =3 then (cos²-sin² …

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If 4tan theta =3 then (cos²-sin² theta). =?

    • Posted by Abdul Hayee Patel 2 years, 6 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Bhavya Maheshwari 2 years, 6 months ago

    Tan theta = 3/4 then P=3k B=4k H=5k ( Pythagoras) Cos² - sin² = (4/5)² - (3/5)² = 16/25 - 9/25 = 7/25

    1Thank You

    Reena Ahirwar 2 years, 6 months ago

    Therefore we can say that when tan theta =34,cos 2 theta -sin 2 theta =725

    3Thank You

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