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a+b=π/2 b+c=a tan a=__________ 1. 2(tan b+tan c) 2. tan b+tan c 3. tan b+2.tan c 4. 2.tan b+tan c |
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Answer» a+b=π/2 b+c=a tan a=__________ 1. 2(tan b+tan c) 2. tan b+tan c 3. tan b+2.tan c 4. 2.tan b+tan c |
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