If sin θ = -5/13 and θ lies in third quadrant, find the value of sec θ + tanθ.
4/5
-2/13
-3/2
-2/3
sin x
cos x
tan x
cot x
Convert 150 into radian
π/10
π /5
π /7
π/12
Sin (n + 1 ) x sin(n+ 2 )x + cos ( n +1 ) x cos ( n + 2 ) x =
sec x
=
sin2 x
cos2 x
cot 2x
tan2 x
Find the value of sin 75o
2
3
3/2
2/3
Find the radian measure of 25o