from: category_eng |
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4. d | |
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6. e |
NONE |
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7. |
NONE |
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8. |
NONE |
sin2x=2*sinx*cosx | |
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9. |
NONE |
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10. |
NONE |
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11. |
NONE |
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12. |
NONE |
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13. |
NONE |
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14. e |
NONE |
t=1-x | |
'' |