sin AQ. 11. If cosec A = 2, find the value of cotA+1+COS A – InterviewSolution

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sin AQ. 11. If cosec A = 2, find the value of cotA+1+COS A

Answer»

cosecA= 2

sinA = 1/2

A= 30

cot A + Sina/(1+ cos A)

cot 30. + sin30/(1+ cos30)

√3 + 1/2 ( 1+ √3/2)

√3 + 1/(2+√3)

cosec A=2/1; sin a=1/2=A=30, cot a+ sina/1-cosa=cot 30+ sin 30/1-cos30=V3+1/2/1-V3/2=V3+1(2+V3)

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