IF cot A= 12/5 ,then the value of (sin A+ cos A)x cosec A is : A)13/5 B)17/5 C)14/5 D)1
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Given : cot A= 12/5
To Find : (sin A+ cos A)x cosec A
Correct Answer is Option B--17/5
Solution :
(sin A+ cos A)x cosec A
=SinACosecA+cosAxCosecA
=1+CosA/SinA
=1+CotA
=1+12/5
=5+12/5
=17/5
To Find : (sin A+ cos A)x cosec A
Correct Answer is Option B--17/5
Solution :
(sin A+ cos A)x cosec A
=SinACosecA+cosAxCosecA
=1+CosA/SinA
=1+CotA
=1+12/5
=5+12/5
=17/5
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