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- If tano=2/3then prove that, sin40 =4 ab(b2-a2)/(b2 + a2)? |
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Answer» zvzvvzvsvsvzvxvzvzvv Step-by-step EXPLANATION: zbbzbxbxbxbfbdbdbdbbsbsbdvdvdhdhdhdbzvxvxvxbhxxbbxbxbxbxbxbxbxvvxzbx BX bx cbxbxbxbbxhcbcbx |
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