Grade 11Algebra
Find domain Of f(x)=sqrt(sin(cos(x)))+sqrt(25-x^2) .......................
1 Answer
Vikas TU
Conditions:
25 – x^2 should be greater and equal to zero
solve for x (with wavy curve and find the interval).
and
sin(cosx) should be greater than equal to zero.
or
cosx greater than equal to arcsin(0) which is obvious zero.
that means
cosx greater than equal to zero.
solve it and take the union.
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algebra
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