Question

STEPS to finding the value of cos75-cos15? I need to know what the second step is :/ PLEASE HELP!

Answer 1

use your calcator and type in cos 75 degrees and hit equals or find a unit circle and recall cos is adj over hyp so the value should be 2/square root of three hope the helps

Answer 2

Thanks! But I need to know the actual step :/ Can you please help me with that?

Answer 3

@godorovg ?

Answer 4

put this into your calc cos 75-cos 15 and equals

Answer 5

other wise you need to find what cos 75 is and than cos 15 and subtract the values.

Answer 6

The answer is -.707. Is c. the answer?

Answer 7

yes

Answer 8

THANKS