What can you say about the taking in and giving out of gases in plants ?

What can you say about the values of sin A and cos A as the measure of an angle A increases from 0^o to 90^o ?

What can you say about the values of sin A and cos A, as the value of angle A increases from 0^@ to 90^@ ? If A>B , then cos A > cos B . Is it true?Discuss.

What can you say about the values of sin A and cos A, as the value of angle A increases from 0^@ to 90^@ ? A>B , then sin A > sin B . Is it true?

What can you say about the ratio of areas of two similar triangles?

Fill the table with the measures of the corresponding angles.Find out in which figure the pairs of corresponding angles are equal.What can you say about the lines 'l' and 'm'?What can you say about the lines 'p' and 'q'?Which pair of lines are parallel?

What can you say about the relation between line symmetry and point symmetry?

What do you say about the ray which is passing through the normal of a mirror ?

A plane electromagnetic wave travels in vaccum along z-direction . What can you say about the directions of its electric and magnetic field vectors ? If the frequency of the wave is 30 MHz. What is its wavelength ?