Question

find the minimun value of y=cos x​

Answer 1

For COS(×) its minimum value occurs at argument x =+/-PI Rad or +/-180 degrees and has a value of -1. For SIN(×) its maximum value occurs at argument x =PI/2 Rad or +90 degrees and has a value of +1.

hope it helps you

pls mark me as the brainlist

Answer 2

Answer:

here your answer is:⬇️

we know that domain of cosine is R,but

the range of cosine is[-1,1].

hence ,it is clear that the minimum value of y=cosx is:- -1

thank you please mark me as bainliest✌