True
<span>Cos(A+B)=CosACosB-SinASinB
therefore Cos(A+A)= CosACosA - SinASinA
= Cos^2A - Sin^2A</span>
Answer:
45tf+47tf=92tf
Step-by-step explanation:
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Congruent since all angles are equivalent to each other.
Answer:
$1.60
Step-by-step explanation:
1 year have 52 weeks.
8.31/52=0.16
0.16*10= 1.60
<h2>The rule for x is + 1, and the rule for y is + 4.</h2>
