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Wednesday, August 7, 2013
trigonometry - NCERT ↑↑↑↑
If Sin A = ½, find the value of Cot
A.
NCERT EXEMPLARY QUESTION
Answer:
Cos A = √ (1 – sin2A) = √ (1 – ¼) = √3/2
Therefore, Cot A = Cos A/ Sin A = (√3/2) / ½ =
√3 Answer
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