Asked by kristy
Use the appropriate cofunction to find an equivalent expression for cos 54°
cot 24
sec 32
sin 36
csc 44
cot 24
sec 32
sin 36
csc 44
Answers
Answered by
Jai
recall that cos x = sin (90-x)
90-x = 90-54 = 36
thus cos 54 = sin 36
hope this helps~ :)
90-x = 90-54 = 36
thus cos 54 = sin 36
hope this helps~ :)
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