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[" If "2tan10^(@)+tan50^(@)=2x],[tan20^(@)+tan50^(@)=2y],[2tan10^(@)+tan70^(@)=2w" and "],[tan20^(@)+tan70^(@)=22," then which of "],[" thee following is/are true- "],[" 1) "z>w>y>x],[" 2) "x=x+y],[" 3) "2y=z],[" 3) "z+x=w+y],[" (Multiple choice question) "]

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2tan10^(@)+tan50^(@)=2x,tan20^(@)+tan50^(@)=2y,2tan50^(@)+tan70^(@)=2w and tan20^(@)+tan70^(@)=2z which of the following is/true

If 2a=2tan10^(@)+tan50^(@), 2b=tan20^(@)+tan50^(@) 2c=2tan10^(@)+tan70^(@), 2d=tan20^(@)+tan70^(@) Then which of the following is/are correct ?

If 2a=2tan10^(@)+tan50^(@), 2b=tan20^(@)+tan50^(@) 2c=2tan10^(@)+tan70^(@), 2d=tan20^(@)+tan70^(@) Then which of the following is/are correct ?

Prove that: tan70^(@)=tan20^(@)+2tan50^(@)

Prove that tan70^(@)-tan20^(@)=2tan50^(@) .

If 2tan10^0+t a n 50^0=2x ,\ "tan"20^0+"tan"5060=2"y","\ "2"tan"10^0+"tan"7060=2"w\ and\ tan"20^0+"tan"70^0=2"z", then which of the following is/are true. a. z > w > y > x b. \ w=x+y c. \ 2y=z d. z+x=w+y

The value of tan20^(@)+2 tan50^(@)-tan70^(@), is

The value of tan20^(@)+2 tan50^(@)-tan70^(@), is