1 answer:
Answer:
cosa = 3/5
Step-by-step explanation:
Use Trignometrical identity cosa = √
1
−
sin
^2a
cos a = √
1
−
16
/25 = √
9
/25 = 3
/5
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1) (x+3)(x+4)
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The other angle is 65 degrees
Answer:
0.58 rounded to the nearest hundredths
Step-by-step explanation:
30+40+50=120
now add red+blue
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Answer:
0.56%
Step-by-step explanation:
Percentage error
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