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For what numbers x 0 $x s 2r' does sinx = 123 31 2 7 none...

Question

For what numbers x 0 $x s 2r' does sinx = 123 31 2 7 none

For what numbers x 0 $x s 2r' does sinx = 12 3 31 2 7 none



Answers

How many solutions does the equation $(7 \sin x+2)(3 \cos x+3)\left(\tan ^{2} x-2\right)=0$ have over the interval $0^{\circ}<x \leq 360^{\circ} ?$ Explain your reasoning.

Okay, So I'm looking for which X values make this equation true. Well, the first thing I noticed is that sign is why, right sign represents why, and it is positive. So where is what quadrants is? Why positive? Well, it's positive in the first and the second quadrant, right? It's above the X axis. And then where a sign equal to one half. Well, this happens at the reference angle of 30 degrees. So at 30 degrees will be my reference angle. So the distance from the X axis to the quadrant. So in the first quadrant, my ankle just be 30 degrees. In the second quadrant, I started 1 80 I'm going clockwise 30 degrees. So in the second quadrant, I'm gonna have started 1 80 subtract 30 degrees, which will be 150 degrees. So these air my two solutions to the equation

Okay, So the first thing I noticed that I have co sign which deals with the X axis and cosign is negative. So when is the X axis negative And what quadrants. Well, it'll be in the second quadrant and in the third quadrant. Okay. And the second thing I noticed is that cosine equals one half. Well, casino Onley equals one half at the reference angle of 60 degrees. So the distance between the X axis and each angle will be 60 degrees. Um, for the second quadrant, what I'm doing is I'm starting at 180 degrees, right? And then I am going, um, clockwise 60 degrees. So if I'm going clockwise, I will subtract six degrees. So my first angle will be at 120 degrees, and then in the third quadrant, um, I'm starting at 1 80 going counterclockwise 60 degrees. So therefore, I'm adding 60 degrees, so my second angle will be 200. It, um, and 40 degrees. Yeah. And these two angles mean that this equation is true at 120 degrees in 240

Hello, everyone. Today we're going to solve a problem. Number 48 here. We need to find a solution off. Three six correx plus four Costco Rx equals seven. So three developed by cause cortex plus four cause Corrects because seven three plus four cause rest of forex it goes seven cost clerics for causes to forex minus seven cause correx first three because zero So we can split in tow like four called square X minus three cause Kerekes minus one Because zero we get calls six equals plus or minus toe three by two or Cossacks Because that's a minus. Smart X equals by basics five by by six and seven by basics and 11 bye bye six or X equals zero comma pie Tradition off the equation between zero comma Bye Will be zero five by six. Fight by by six Bye seven by by six and 11 by by six. Thank you

12 Sign eggs minus seven. Route off sine X plus one. Easy question. Zero. Let Sinek Zico's Topia Square. Then we can rewrite the given a question as 12 ps four minus seven people started to close to zero or 12 p. X squared minus 40 minus three plus one Dissuaded the Milton separation, taking four p common. We have three p minus one minus off one. We have three p minus one equals the judo taking three p minus one common. We connect a P minus one war multiplied by 40 minus one it because through zero we have two factors. So either three T minus one. The first factor because you know are the second factor for a few minutes later will be zero. So from first case, we have PGE equals to one divide by three. And from the second case, we have people to wonder. I pay a food since behold to one divided by t we can light be a squared is equals to one divided by nine or similarly in the second guess PS credible people to wonder every 16 and be expert is nothing but sign it. So sign exit was to wonder right by nine r sine X is supposed to wonder where my 16 so x well I in first and second quarter and in first part entity 0.111 and in second quarter, introduced by minus 0.11 What for the second guessed x in the first pardon is Equus toe 0.6 to 5 and in second quarter, and it is by Minnesota points 062 So the complete solution for the X can be expressed as 0.625 comma 0.111 Korma 3.79 coma today Points utility.


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