Sinθ*cosecθ = ____________
1
0
180
none
____________=1+tan2θ
cos2θ
sec2θ
cosec2θ
cot2θ
If x= a cosθ +b sinθ and y= a sinθ- b cosθ, then x2+y2 =
(a+b)2
a+b 2
a2-b2
a2+b2
Cosecθ = 1/_
Cosθ
Sinθ
tanθ
Cotθ
tanθ tan(90-θ)= ___________
2
3
Cos (-17600) =
-0.7660
0.7660
If θ = 30o find the value of sin2θ + cos2θ
4
Sec2A + cosec2A =
(sec A+ cosec A)2
(secA-cosecA)2
sec2A. cosec2A
sec2A/cosec2A
If sin2 θ= 1/4, the general value of
2 n π ± (-1)n π/6
n π/2 ± (-1)'' π/6
n π± π/6
2 n π ± π/6
If θ =π/4, then 1+ tan 2 θ =
sin 2 θ
cot 2 θ
cosec2 θ
sec 2 θ
