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Grade: 

                        
f(x)=cosec -1 [1+sin 2 x], where [...] donates greatest integer function
11 years ago

Answers : (1)

askiitian.expert- chandra sekhar
10 Points 
							
Hi Anurag,


0≤Sin2x≤1


1≤1+sin2x≤2


1≤[1+sin2x]≤2


cosec-1 is always defined in [1,2]


therefore domain is real number (R)
11 years ago
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