Discuss among your friends
Does `sin x = ( 4)/(3) ` exists for some value of angle?

Discuss among your friends tan A is product of tan and A

Discuss among your friends The value of sin A and cos A is always less than 1, Why?

Think how each of the list given above form an A.P. Discuss with your friends. (a) Heights (in cm) of some students of a school standing in a queue in the morning assembly are 147, 148, 149,......,157

Discuss with your friends about rounding off numbers for ten thousands place.

Discuss with your friends about rounding off numbers for ten thousands place.

Draw or collect pictures of forests. Discuss with your friends. Write about fate of forests in your state and what steps would you take to conserve them.

Discuss with your friends if the carbon dioxide that you breathe out and the carbon dioxide they breathe out are identical. Is the composition of the carbon dioxide of different sources same?

sin 2x.sin 3x.sin 4x

Discuss with your friends some more examples in real life where we cannot directly measure and must use mathematical modelling.