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vagabundo [1.1K]
3 years ago
12

Show that cos3(B)+cos(B)sin2(B) = 1 sin(B)cos2(B)+sin3(B) tan(B)

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

Answer:

-90

Step-by-step explanation:

Anton [14]3 years ago
5 0

Answer:-90

Step-by-step explanation:

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Bella types at a constant rate of 42 words per minute. Is the number of words she can type proportional to the number of minutes
solmaris [256]
Yes, the number of words ARE proportional to the number of minutes she types, away to tell is when it says Bella types at a CONSTANT rate of 42 words per minute. This means for every minute 42 words will be added.
5 0
3 years ago
I need help with all the ones that don't have answers.
zlopas [31]
<em>- What two consecutive odd integers have a sum of 48</em>?

23 + 25 = 48

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<em />-22 + -23

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37 + 38 = 75

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7 0
3 years ago
I need some help on the question below please, and thank you.
White raven [17]
It might be 31 if you add all the numbers together but I'm not positive.
6 0
3 years ago
The lenght of the square-shaped field edge is 240 meters. Calculatr the field area in hectares​
Katena32 [7]

Answer:

5.76 hectares

Step-by-step explanation:

Area = 240 meters × 240 meters

Area = 57600 meter square

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I hope this helps you :)

6 0
3 years ago
Jacob has saved $50. He spent $15 at th movies. Then after paying repairs to his bike, he has $0 remaining. How much did the bik
zmey [24]

Answer:

The bike repair costs $35

Step-by-step explanation:

5 0
3 years ago
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