`(1-cosA)/(sinA)` is equal to ?

cosA/(1−sinA) =

The value of [(secA+tanA)(1-sinA)] is equal to (a) tan^2A(b)sin^2A (c) cosA (d) sinA

sinA/( 1+cosA) +sinA/(1−cosA) is equal to

If the median of triangle ABC through A is perpendicular AB, then the value of sinA cosB + 2sinB cosA is equal to

If sinA, cosA and tanA are in G.P, the cos^(3)A+cos^(2)A is equal to :

Prove that: (1+sinA-cosA)/(1+sinA+cosA) = tan(A/2)

Prove that : (i) (1-cosA)/(sinA)=(sinA)/(1+cosA) (ii) (costheta)/(1-sintheta)=(1+sintheta)/(costheta)

If A lies in the third quadrant and 3 tan A-4 = 0, then 5 sin 2A + 3sinA + 4 cosA is equal to

Prove: (1+cosA)/(sinA)=(sinA)/(1-cosA)

Prove that: (1+sinA-cosA)/(1+sinA+cosA)=tan(A/2)