Answer:
you have to multiply them
-4×a×c
also they're called unknown numbers
Answer:I am not sure.
Step-by-step explanation:
Answer:
Step-by-step explanation:
cos a cos b+sin a sin b=cos (a-b)
cos 160 cos 10+sin 160 sin 10=cos (160-10)
=cos 150
=cos (180-30)
=-cos 30
=-√3/2
1.12 for decimal and for fraction 1 3/25
Answer:
Answer
Step-by-step explanation:
356 Cm
<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>helps</u></em>