sin(75)=cos(?)

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sin(75)=cos(?)

Guest Jan 8, 2015

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Best Answer

sin(75)=cos(?)

I. sin (75) = cos ( 90 - 75 ) = cos ( 15 )

II. sin (75) = cos ( -(90 - 75) ) = cos ( -15 )

heureka Jan 8, 2015

heureka · Answer 1 · 2015-01-08T12:40:43

sin(75)=cos(?)

I. sin (75) = cos ( 90 - 75 ) = cos ( 15 )

II. sin (75) = cos ( -(90 - 75) ) = cos ( -15 )

CPhill · Answer 2 · 2015-01-08T12:19:13

sin (75) = cos (90 - 75) = cos ( 15)

[These are co-function angles]