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Asked by Palak Last Modified
Answer 
Tan A = 1 means A is 45 degrees.
which means cosA = cos45 = 1/√2 and sinA = sin45 = 1/√2
therefore, 2sinAcosA = 2 * 1/√2 * 1/√2
= 2 * (1/2)
= 1
read less
Tan A = 1 means A is 45 degrees.
which means cosA = cos45 = 1/√2 and sinA = sin45 = 1/√2
therefore, 2sinAcosA = 2 * 1/√2 * 1/√2
= 2 * (1/2)
= 1
read lessRelated Questions
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