cos 57^o has the same value as

mrbmitosahi

1 year ago

Use:
sin(147°) = sin(180° - 33°) = sin 33°

Now, since
cos 57° = sin 33° (because sin(90°-θ)=cos(θ))

Yes! cos 57° = sin 33°

Is 147° equal to 33°?
147° = 180° - 33° → sin 147° = sin 33°

So yes, cos 57° = sin 33° = sin 147°

So the correct answer is:

readalot

2 years ago

hs