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PilotLPTM [1.2K]
3 years ago
5

Given f(x) = sin x and g(x) = cos x, find f(g(pi/2)) = 0. show all steps.

Mathematics
1 answer:
Nana76 [90]3 years ago
6 0
Heya !

Check the attachment.
Hope it helps you :)

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olganol [36]

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25/5 = 5 so ABC is 5 times larger so 12 x 5 = 60

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6 0
3 years ago
Mark cycles from home to school at a speed of 16 kilometers per hour. He cycles back on the
katrin [286]

Answer:

Write a time equation, time = dist/speed

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go time + return time = total time

d%2F16 + d%2F15 = 7.75 hrs

multiply equation by the least common multiple 240, cncel the denominators:

 

15d + 16d = 240(7.75)

31d = 1860

d = 1860/31

d = 60 km one way

total dist = 120 km

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Check this, find the actual time each way

60/16 = 3.75 hrs

60/15 = 4 hrs

-----------------

total time 7.75 hrs

Step-by-step explanation:

7 0
2 years ago
Can the lengths 15 cm, 4 cm, and the square root of 209 cm make a right triangle?
Dimas [21]

Answer: Yes they can

Step-by-step explanation:

Use Pythagoras rule c²=b²+a²

b²=209

c²=15²=225

a²=4²=16

209+16=225

6 0
3 years ago
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