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Question 1 (iv)
Evaluate the following:
(iv) (sin30+tan45cosec60)(sec30+cos60+cot45)


Solution

(iv) (sin30+tan45cosec60)(sec30+cos60+cot45)
 =(12+123)(23+12+1)=(3223)(32+23)
=3342333+423=(334)(33+4)
=(334)(334)(33+4)(334)=(334)2(33)2(4)2
=(27+16243)(2716)=(43243)11
          

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