5

~Zu + Zsinx - sin?x * Hsin3x~ ~sintx +Option 3No one...

Question

~Zu + Zsinx - sin?x * Hsin3x~ ~sintx +Option 3No one

~Zu + Zsinx - sin?x * Hsin3x~ ~sintx + Option 3 No one



Answers

$\sin x+\sin 3 x+\cos x+\cos 3 x=0$

In this problem, the given equation can be read it and as sine of X plus Sign of three years is equals 2- sign up. Who it's This becomes to sign off X plus three X by two. Mhm falls off X -3 expired too. This is equals 2 -2 sign up to works has becomes too same two weeks into also ministry discussed. This is for sex- Sine of two weeks. So why that Sign words is equals to zero. If it's not, then we can come through the words Sandberg's both sides and we get Course x equals 2 -2. Right from here, we get two weeks equals to empire Our x sequence to end by by two. Similarly from here we get x equals two plus minus To buy by three. Yes, two came to find these are there to solutions. That's all.

The question is is that we have to find the value for angle X. Here, the question is three into one minus. Synnex is equals to one less cause of two weeks. So now moving towards the solution As we know that one plus caused two weeks, is it close to two causes square X? So three into one minus Synnex can be written as two causes square X. It will be three -3. Synnex is equals two, two into one minus sine square X. And rearranging this equation you will get, it does to sign square x -3. Synnex Plus one is close to zero. So using the midterm splitting method To sin x -1 Into Sine X -1 will be equal to zero. That is from here you will get SIN X equals 21 by two. Or from here you will get SIN X equals to one. So your ex will range from five x 6 or it can be 5, 5 x six or 5 x two. And so this will be the solution to the question. Thank you.

In this problem, given equation can be rewritten as two and two particles sign of its plus Route three x 2 cross affects into Sign of three X should be equal. Institute this and this With cancer. This is nothing but a sign off X plus five by three into Sign of three X is equal to one. The only way that this can be done is that both symptoms are equal to one. There's no other way, which means that express five by three Should be equals two. Bye bye to and three x should also be equal to buy my two from here we get X. S. Five by six and from hearing it again X as equal stoop five by six. So the general solution is X equals to fire by sex plus and into All right, that's all.

In this problem given equation can be we didn't pass three SAn square affects plus do silence. Course of x minus two. Sun square of X plus Cost square off x equals to zero. This becomes sense where affects yes. Who simex cause effects minus two. All squared off X is equal to zero. Let's divide the whole equation. Micro square affects you get 10 square of x plus two panics minus two equals to zero skin better than us and spare of X plus Go to the next plus one equals 23. Ah BMX. This one whole squared is equal to he. Which means that The next this one is equals two. That's fine. This little tree 10 x equals 2 -1. The finest retreat X equals two. And then we'll see minus one. This -43. Let's end into right. This is the solution.


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