cotA-tanA=?

[ Poll Machine ]
[tan(45°+x)][tan(45°-x)]=?

[ Poll Machine ]
cot 840°=?

[ Poll Machine ]
tan(A/2)=3/4 হলে cosA=?

[ Poll Machine ]
A=সুক্ষ্ণকোন ও পজেটিভ, cosA=4/5 হলে tanA=?

[ Poll Machine ]
sinA/(1+cosA)=?

[ Poll Machine ]
tan75°-tan30°-tan75°tan30°=?

[ Poll Machine ]
cos70-cos10+sin40=?

[ Poll Machine ]
sin(c+y)cos(x-y)+cos(x+y)sin(x-y)=?

[ Poll Machine ]
A=14π/6, cosA=?

[ Poll Machine ]
sin[(2n+1)π+A]=?

[ Poll Machine ]
tan(-945°)=?

[ Poll Machine ]
cot(450°+A)=?

[ Poll Machine ]
sinA=1/√3, sin3A=?

[ Poll Machine ]
9A=π, cosA.cos2A.cos4A=?

[ Poll Machine ]
sinA+cosA=1, sinA-cosA=?

[ Poll Machine ]
sin2A=1,
tanA=?

[ Poll Machine ]
sin18°+cos18°=?

2sin53°
cos(150°-A)=1/2 ;
A=?