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T ratios of particular angles |
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Answer» U have to learn to make chart of sin(-)For first root 0/4. (0degree) 2nd root 1/4. (30\'d) 3rd. Root 2/4. 45\' 4th. Root. 3/4. 60\' 5th. Root 4/4. 90\'Do calculation if you really want to learn. Cos (-) reverse of sinTan0, 1/√3, 1,√3,~ Cot is reverse of tan.Cosec opposite to every degree of sinLike first 0 converted to 1/0 means infiniteSame in sec opposite to every degree of cos. see textbook |
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