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Korolek [52]
3 years ago
7

I need help ASAP please with all of them

Mathematics
1 answer:
ratelena [41]3 years ago
3 0

The third one I think I'm not sure

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Prove the trig identity: (tanx/1+secx)+(1+secx/tanx)=2cscx
lakkis [162]
=[(sinx/cosx)/(1+1/cosx)] + [(1+1/cosx)/(sinx/cosx)]

=[(sinx/cosx)/(cosx+1/cosx)]+[(cosx+1/cosx)/(sinx/cosx)]

= [sinx/(cosx+1)] + [(cosx+1)/sinx]

= [sin^2x+(cosx+1)^2] / [sinx (cosx+1)]

= [2+2cosx] / [sinx(cosx+1)]

=[2(cosx+1)] / [sinx (cosx+1)]

= 2/sinx

= 2 cscx

(I think this will be helpful for you. if you can see the picture, it has more detail in it.)

7 0
3 years ago
Tyler ate x fruit snacks, Han ate 3/4 less than that. Write an equation to represent the relationship between the number Tyler a
Citrus2011 [14]

Answer:

0.75x = y

or

1/4 = y

4 0
3 years ago
Which expression is equivalent to one over fourn − 16?
ryzh [129]
The correct answer is 1/4(n - 64).

1/4n - 16  Write Original expression
0.25n -16     Simplify the fraction
0.25(n - 64)      Distribute(take out) 0.25 from n-16
1/4(n - 64)      Final Answer


I hope this helps!
8 0
2 years ago
100 megatons+234 help please
arlik [135]

Answer:

we know,

1 megaton=1000kg

100 megaton=100000

now,

total weight=100000+234

=100234.

6 0
2 years ago
a soup can that is a cylinder has a radius of 2x-1 and a height of 3x. what is the surface area of the soup can? show your work
valentinak56 [21]
The Surface Area is 62.83185 m²
5 0
3 years ago
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