Question

The sum of two angles of a triangle is 90° and the ratio of number of grades in the first angle to the number of degrees in the second angles is 5:9 find the angles in circular measure

credit note entry in tally

A card is drawn from a well shuffled pack of 52 cards.find the probability of the following events:

1)The drawn card is not a picture card.

2) The drawn card is an ace of a black suit.

Prove that sum of three angles of triangles is 180 degree.

let A={1,2,3}.Then show that the number of relations containing (1,2)and (2,3)which are reflexive and transitive but not symmetric is three

Pedal equations 

Construct a triangle ABC in which BC=10cm angle B =30°AB-AC=4cm

X(x square +1)dy/dx=y(1-x square) +x square logx 

Evaluate integral x+4 having upper bound 3 and lower bound 0 as a limit of sum