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Q.

Find the value of cosec 30∘+cot⁡45∘.


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a

2

b

1

c

3

d

-1 

answer is C.

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Detailed Solution

Given trigonometric equation,
cosec⁡30∘+cot⁡45∘          ….. (1)
We know that,
cosec⁡30∘=2 and cot⁡45∘=1
Put these values in the equation (1),
cosec⁡30∘+cot⁡45∘
=2+1
=3
Thus, the value of cosec⁡30∘+cot⁡45∘ is 3.
Option 3 is correct.
 
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