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qwerty1234321
 3 years ago
if sin x=.21 what is cos x?
qwerty1234321
 3 years ago
if sin x=.21 what is cos x?

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muhammad9t5
 3 years ago
Best ResponseYou've already chosen the best response.1use sinx^x+cosx^+1=0

muhammad9t5
 3 years ago
Best ResponseYou've already chosen the best response.1\[sinx^2+cosx^2+1=0\]

qwerty1234321
 3 years ago
Best ResponseYou've already chosen the best response.0this is hard..im bad at trig

muhammad9t5
 3 years ago
Best ResponseYou've already chosen the best response.1\[cosx^2=1sinx^2\] \[cosx^2=1(0.21)^2\] \[cosx^2=10.0441\] \[cosx^2=0.9559\] take square root both sides \[cosx=0.977\]

muhammad9t5
 3 years ago
Best ResponseYou've already chosen the best response.1do u understandd? if yes please click on best answer.

muhammad9t5
 3 years ago
Best ResponseYou've already chosen the best response.1u r welcome always.
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