SOLUTION: Evaluate the following
Cos 45°/sec30°+cosec30°
Plz explain the steps related to rationalisation of denominator
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Question 1035588: Evaluate the following
Cos 45°/sec30°+cosec30°
Plz explain the steps related to rationalisation of denominator
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
(Cos45/sec30) + cosec30
:
Note that sec30 = 1/cos30 and cosec30 = 1/sin30
:
(cos45 / (1/cos30) + (1/sin30) =
:
(cos45 * cos30) + (1/sin30) =
:
(0.707 * 0.866) + (1/(1/2)) =
:
*************
2.612262
*************
:
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