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If cot @=12/5 then prove that …

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If cot @=12/5 then prove that tan^2@ - sin^2@ = sin^4@sec^2@

    • Posted by ????? ❤️ 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Ashish Roy 6 years, 10 months ago

    Pre board tension na lo...... Bas tension free padhai karna..... Agar pre board ke liye koi idea ya pre board question paper chahiye to email batao mai send kar dunga

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    Zeeshan Younis 6 years, 10 months ago

    Cot@=12/5 Cot= base/perpendicular Tan@=5/12 Sin@=5/13 Sec@=13/12 Tan^2@-sin^2@=(25/144)-(25/169)=625/24336 Now sin^4@sec^2@ (5×5×5×5×13×13)/(13×13×12×12)=625/24336 Hence proved????????

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    ????? ❤️ 6 years, 10 months ago

    Tan square theta - sin square theta = sin to the power 4 theta * sec square theta

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