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oee [108]
3 years ago
5

Can someone please help me ASAP

Mathematics
1 answer:
dimulka [17.4K]3 years ago
7 0
-2,8 is the correct answer
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3 years ago
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5 0
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Read 2 more answers
Tan x + tan 2x = 0
choli [55]

stated method in question is wrong!

<u>Step-by-step explanation:</u>

We need to find the general solution of x ! for the equation tan x + tan 2x = 0

⇒  tan x + tan 2x = 0

⇒  (tan x + tan 2x)-tan2x = 0-tan2x

⇒  tan x = -tan2x

Now , we know that tan(\pi -2x) = -tan2x

⇒  tan x = -tan2x

⇒  tan x = tan(\pi -2x)

Now , we know that TanA = TanB \\A=B

⇒  tan x = tan(\pi -2x)

⇒  x = \pi -2x

⇒  3x = \pi

⇒  x = \frac{\pi}{3}     ......(1)

General solution of Tan x is : x = n\pi + \alpha , \

Here , from equation (1) we get  \alpha =\frac{\pi }{3} . Hence general solution is :

⇒ x = n\pi +\frac{\pi }{3} .Therefore , stated method in question is wrong!

4 0
3 years ago
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