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astraxan [27]
3 years ago
11

PLEASE HELP ME! ANSWER CORRECT AND GET BRAINLIEST*! (If more than one answer)

Mathematics
1 answer:
avanturin [10]3 years ago
6 0

Answer:1. C 3. 52

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
If f(x) is a continuous function defined for all real numbers, f(–1) = 1, f(–5) = –10, and f(x) = 0 for one and only one value o
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4 0
3 years ago
Find the slope of the line that passes through each pair of points. Expressed as a fraction in simplest form. (8,2),(8,-1)
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Step-by-step explanation:

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8 0
2 years ago
Mrs cats invited three of her friends out for lunch she paid $33 for food $17 for soft drinks $3 for taxes and $6 for a tip how
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Step-by-step explanation:

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True

Step-by-step explanation:

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This is the correct answer

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4 years ago
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