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help plz ...

help plz ... The expression 3 sin* 2 4 sin4(3R+a) —2 sine + is equal to (D) sin 4u + sin 60

Is it B
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how i want solution
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See by objective approach u can put alpha=3pi/2 u will get the ans
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why alpha=3pi/2????
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U can put alpha anything but for our convinience we put 3pi/2 as some terms get 0 and we get 3-2 if answer would have came up as 0 then two options will be same D also and 0 then we would have put another value
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but i want actual solution so u can help plz..
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one ques

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this also

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Ok wait let me solve it
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Please find this answer

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Please find this answer

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Please find this answer

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Did u saw??
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yes thanks
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Any else questions
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From which skl u are and state
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this one

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i am from rajasthan and u??
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From maharashtra but was in kota for 2 yrs in rajasthan where r u from
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Dont u hv any else account theres too much hectic in answering nd typing here
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Please find this answer

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from jodhpur
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5-10 all the ques??

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7-10 all the ques??

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Img is not clearly visible do u have any other social media account??
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no i have only this account
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which ques is not clear?? i will send it again
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did u saw these ques?? ans plz..
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ans plz..
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R u there??
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Both ques are lill blurred
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now it is clear??

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Please find this answer

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Yeah fine
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all the ques except 7th

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Waise itne doubt ate kaha se hain
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bcd options

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U r asking question elsewhere also right??
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ate kaha se hai matlab??
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This much study??
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elsewhere means where in meritnation only??
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Yeah i m there to answer na we r frndzz yaar
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u are preparing for jee??
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Yup got 99.784359 in 1st attempt
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R u there
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Please find this answer

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this year u gave jee mains???
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C option

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Yup 9 jan in maths 100 percentile
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what u have done in last step please explain 2log5
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i have understood
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great!!! now preparing for advance??
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Please find this answer

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Condinued 9

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Yeah but have already prepared for it so itz just like when the exam comes nd i deliver
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Wanna be friend??
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Hey r u there
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Resend this

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ques

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question

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question..

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Friendzz??
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Answer my ques will ans uah ques
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Ahan K 
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Answer is 1.

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