CosecA=2 1/tanA+sinA/1+cosA
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Answer:
Step-by-step explanation:
cosecA=2
sinA = 1/2
A = 30 degrees
1/tanA+sinA/1+cosA = 1/tan30 +sin30/1+cos30
= √3 + (1/2) / 1+√3/2
= √3 + 1/(2+√3)
= √3 + 2-√3 [ Rationalizing 1/(2+√3) to get (2-√3) ]
1/tanA+sinA/1+cosA = 2
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