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Vika [28.1K]
3 years ago
6

30 POINTS for the fastest answer! What is the slope of the line that passes through the points (2,9)

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

m= -2/1

Step-by-step explanation:

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c = 75.4 ft

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1)cot a/2 -tan a/2 = 2 cot a<br>2) cot b/2 + tan b/2= 2 cosec b<br> prove​
VladimirAG [237]
1)

LHS = cot(a/2) - tan(a/2)

= (1 - tan^2(a/2))/tan(a/2)

= (2-sec^2(a/2))/tan(a/2)

= 2cot(a/2) - cosec(a/2)sec(a/2)

= 2(1+cos(a))/sin(a) - 1/(cos(a/2)sin(a/2))

= 2 (1+cos(a))/sin(a) - 2/sin(a)) (product to sums)

= 2[(1+cos(a) -1)/sin(a)]

=2cot a

= RHS

2.

LHS = cot(b/2) + tan(b/2)

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= sec^2(b/2)/tan(b/2)

= 1/sin(b/2)cos(b/2)

using product to sums

= 2/sin(b)

= 2cosec(b)

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8 0
3 years ago
Correct answers only pls.
Colt1911 [192]
-1.25 or -1 1/4 that’s because the dot is in between a half and a whole number so one half divided by two is 1/4
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PolarNik [594]

Answer:

10-11 is -1

Step-by-step explanation:

i don'T care much for attachments ;)

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3 years ago
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