Question
cos A (sec A – cos A) (cot A + tan A) =
?Solution
(cos A × sec A – cos2 A) (cot A + tan A) = (1 – cos2 A) = sin2 A(Cos A / Sin A + Sin A / Cos A) = Sin2 A × 1/Sin A Cos A = tan A
If ‘W#U#T?R*S’ is true then how is T related to W?
A + B means ‘A is the mother of B’; A – B means ‘A is the husband of B’; A × B means ‘A is the son of B’; A ÷ B means ‘A is the daught...
If 'A@B' means 'A is father of B', 'A#B' means 'A is wife of B', 'A$B' means 'A is sister of B', 'A%B' means 'A is brother of B'. If 'R @ S $ T # V @ U ...
How is A related to T?
If ‘A % B’ means ‘A is the daughter of B’, ‘A & B’ means ‘A is the wife of B’, and ‘A # B’ means ‘A is the son of B’, then how i...
'A @ B' means 'A is married to B'. 'A & B' means 'A is the sister of B'. 'A % B' means 'A is the daughter of B'. 'A $ B' means 'A is the father of B'. I...
If G – I + H, which of the following statement is true?
'A # B' means 'A is the father of B'. 'A @ B' means 'A is the daughter of B'. 'A & B' means 'A is the brother of B'. 'A $ B' means 'A is the grandmother...
P + Q means ‘P is the brother of Q’, P - Q means ‘P is the daughter of Q’, P ÷ Q means ‘P is the husband of Q’, P × Q means ‘P is the so...
If 'A # B' means 'A is mother of B', 'A @ B' means 'A is brother of B', 'A % B' means 'A is sister of B', 'A $ B' means 'A is father of B'. In expressio...
