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Is it right ??

Qn.22

Solve for  θ : cos 2 θ - 3 cos θ + 2 sin 2 θ = 1 ,   θ ≠ 0 .

In the question itself it is written that theta can't be equal to zero, then definitely the answer is wrong
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Yah it is correct..
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How ??
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Question is saying that... thita can't be equal to 0
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Means?? What do you want to say Which step???
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Last answer
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I want to say that question itself is saying that thita is not equal to zero ... and the answer is coming 0
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I can understand it, plss correct ur mistake

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It should be correct way of solving

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Ohhk thankuu
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Answer is right or not???
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Yaa right thanks a lot :-)
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Srry answer should be 30°...i put wrong value of 1/2
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Again srry answrr should 60°..... He he.. 😃😃😃😃
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No it's value is 60 degree
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Yaa ... it's okk
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Its easy ur solution is still wrong

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@ayush ... tanushree ne correct kr diya tha
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By the way thanks to both of u ...
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Yaa mai values bhul gyi thi... Srryyy....😋😋😋😋
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It's okk na
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Yaa.. Listen.. r u my friend??
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Okkk
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How to prove sin2a+cos2a=1
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Plss find this answer...

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Am i right or not??
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Ya right
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It's right
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Any one in fb can tell me full name and place want to be friend😀😀😀
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What do u want to say...
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Question may have some mistake
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Ha Ha 
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ee
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;'''


 
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thanks for the answer but can we do it by convertingit into sin
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