In each of the following, find the value of the constant k so that the given function is continuous at the indicated point :
at x = 1
Given:
f(x) is continuous at x = 1 & f(1) = k
If f(x) to be continuous at x = 0,then
f(1)– = f(1) + = f(1)
LHL = f(1)– = 
tan(
–x) = cotx
cos(0) = 1
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