`4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =`

The value of sqrt(3) cot 20^(@) -4cos20^(@) is

The value of sqrt(3)cosec20^(@)-sec20^(@) is …………

(cos 10^0+sin 10^0)/(cos 10^0-sin 10^0) is equal to a. tan55^0 b. cos 55^0 c. -tan35^0 d. -cot35^0

Prove that (4cos^2 9^0-3)(4cos^2 27^0-3)=tan9^0dot

Prove that: sqrt(3)"cosec"20^(@)-sec20^(@)=4

The equation of the line that touches the curves y=x|x| and x^2+(y-2)^2=4 , where x!=0, is (a) y=4sqrt(5)x+20 (b) y=4sqrt(3)x-12 (c) y=0 (d) y=-4sqrt(5)x-20

Prove that, sin65^(@)+cos65^(@)=sqrt(2)cos20^(@)

Find acute angles A and B if sin (A+ 2B) = (sqrt3)/2 and cos (A+ 4B) = 0, A gt B, 0° ltA+ 2B le90°, 0° ltA+ 4B le90° .

6sqrt(20 ) +2sqrt5 =……..

If cos x-(cot beta sinx )/( 2 )=sqrt(3)/(2) , then the value of tan""(x)/(2) is