Critical observations thinking is the best deomstrated by which of the following action

Mathematics

1 answer:

docker41 [41]3 years ago

7 0

Answer: spotting trends in data

Step-by-step explanation:

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Prove : (sec θ - tan θ )^2 = 1 - sin θ /1+sin θ

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$(sec x - tan x)^2 \\ \\ = sec^2x - 2 sec x tan x + tan^2 x \\ \\ =(1+tan^2 x) - 2 sec x tan x +tan^2 x \\ \\ =1 - 2 sec x tan x + 2 tan^2 x \\ \\ = 1 - 2tan x(sec x - tan x) \\ \\ =1 - \frac{2 sin x}{cos x} (\frac{1-sin x}{cos x}) \\ \\ = 1 - \frac{2 sin x (1-sin x)}{cos^2 x} \\ \\ =1 - \frac{2 sin x (1-sin x)}{1-sin^2 x} \\ \\ =1 - \frac{2 sin x (1-sin x)}{(1-sin x)(1+sin x)} \\ \\ =1-\frac{2 sin x}{1+sin x}$

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3 years ago

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yuradex [85]

1. Given
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3 years ago

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KiRa [710]

I hope this help you

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2 years ago

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Zanzabum

I'm not good with intigers, but if you added two negative intigers together wouldn't it still be negative? If you added -1 to -2 you'd get -3. It would always be less than the two original integers.

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3 years ago

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antoniya [11.8K]

Answer:

(6a-4)°=(2a+68)°

6a-2a=68+4

4a=72

a=72/4

a=18

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2 years ago

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Critical observations thinking is the best deomstrated by which of the following action​

Critical observations thinking is the best deomstrated by which of the following action