3sin30°-4sin³30°=.....

In ∆ABC, B=90° .If AB=2cm & AC=3cm then sinA=........

If 2sinA-1=0,. then secA+tanA =........

tan60°•tan30°=.....

cosec50°=......

If sinA =√3/2, then A=.....

2cos²45°=.....

sin0°•sin10°•sin30°•sin80°•sin90°=.....

tan60°•tan30°=.....

sin(50°+A) - cos(40°-A)=......

sin²30°+cos²45°+cos²30°=.....

cos(90°-A) =.....

If tanA =4/3, then cotA=.......

 $\frac{\sin\theta-2\sin^3\theta}{2\cos^3\theta-\cos\theta}\ =.........$  

 $If\ 7\tan\theta=4\ then\ \ \frac{7\sin\theta-3\cos\theta}{7\sin\theta+3\cos\theta}\ =.........$  

 $\frac{\cos58\degree}{\sin32\degree}\ =..........$