3 years ago

For triangle ABC, which one is equivalent to sin(A)? cos(B) sin(B) cos(C) tan(C)

Mathematics

2 answers:

Alex_Xolod [135]3 years ago

6 0

I believe the answer is C on ed

Good luck!

grin007 [14]3 years ago

3 0

Answer: cos(C)

Step-by-step explanation: Use SohCahToa. Sin(A) is opposite over hypotenuse. The opposite is line BC. Use angle C. To get line BC, you will need the adjacent, and also the hypotenuse. Cos will get you this. Therefore, your answer is Cos(C).

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Two planes start from los angeles international airport and fly in opposite directions. the second plane starts 1 2 hour after t

arlik [135]

Let x be the speed of the slower plane, in km/h. Then the faster plane travels at x+40.
[2 hrs at speed x] + [(2 hrs - 1/2 hour) at speed (x+40)] = 2860(2x) + (1.5)(x+40) = 2860 solve for xx=800x+40=840
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Plane 2 840 km/h

6 0

3 years ago

Hey could you please help me? Thank you<br> No answers like "I don't know" or "febebfe"

fenix001 [56]

Answer:

2,4 and 7 do not form a triangle

Step-by-step explanation:

To form a triangle, knowing the 3 sides, then

The sum of any 2 sides must be greater than the third side

Consider 2, 4, 7

2 + 4 = 6 < 7

2 + 7 = 9 > 4