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Leona [35]
3 years ago
13

If cos B is 4/5 what is sin a?​

Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0

Answer:

sin(A+B)=sinAcosB+cosAsinB. Putting the values in. sin(A+B)=(4/5)(−3/5)+(3/5)(−4/5). sin(A+B)=−24/25.

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2/5(x-9)=-8<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> I don’t get it
julsineya [31]

Answer:

-11=x

Step-by-step explanation:

2/5x-3.6 is the simplified when you DISTRIBUTE 2/5 multiplying both parts of the parentheses. Add 3.6 to both sides 2/5x=-4.4 then 2x=-22, x=-11

4 0
3 years ago
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y = x + 2 ; 
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6 0
2 years ago
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4 0
3 years ago
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