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Exercise 13 trigonmateric identities RS aggarwal …

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Exercise 13 trigonmateric identities RS aggarwal solution

    • Posted by Rajesh Chaudhary 6 years, 2 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Praveen Mehta 6 years, 2 months ago

    1. sin2A+cos2A=1 2. 1+tan2A= sec2A 3. 1+cot2A= cosec2A

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