2 years ago

Prove that (1+sin2x)/(1-sin2x)=cot^2(x-pi/4)

Mathematics

1 answer:

Jlenok [28]2 years ago

4 0

Answer:

it's simple

Step-by-step explanation:

refer the image

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Alexxandr [17]

Answer:

$4x^2-12x+9$

Step-by-step explanation:

we have

$(2x-3)^2$

we know that

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In this problem

$a=2x\\b=3$

substitute in the formula

$(2x-3)^2=(2x)^2-2(2x)(3)+(3)^2$

$(2x-3)^2=4x^2-12x+9$

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suter [353]

Answer:

540°

Step-by-step explanation:

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solniwko [45]

Answer:

Step-by-step explanation:

This sequence follows a pattern of doubling then subtracting by two. The last action was 12 to 10, which is subtracting by two, so the next must be multiplying by 2.

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3 years ago

Part of the population of 7,750 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 11

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Step-by-step explanation:

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155 groups x 11 per group = 1,705 elk.

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30 pts Johnna is cooking a roast that says, "Cook to 160°F." What is the Celsius equivalent of this temperature? A) 65° B) 71° C

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B) 71 degrees celcius

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