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please solve domain of sqrt(cos(sinx)) i want to know how it is all real no.

please solve domain of sqrt(cos(sinx))
i want to know how it is all real no.
 

Grade:11

1 Answers

Khimraj
3007 Points
7 years ago
Domain of since is x belongs to R then as -11 so range of cos x is positive because 1 radian is approx 57° and cos(57°) and cos(-57°) is positive. Hope it clears. Please if u like answer then approve the answer

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