Discuss with your friends about the following conditions:
What can you say about `cot 0^(@) =(1)/( tan 0^(@) ) `Is it defined ? Why ?

Discuss with your friends about the following conditions: What can you say about cosec 0^(@) =(1)/( sin 0^(@) ) ? Is the defined ? Why ?

Discuss with your friends about the following conditions: sec 0^(@) =1 Why?

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

A plane electromagnetic wave travels in vacuum 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 ?

What can you say about the reactivity of metals at anode and cathode.

Ovserve the above table 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 ge B then sin ge sin B , Is the true? If A ge B , then cos A ge cos B , Is it true ? Discuss.

Which one of the following is not true about the matrix [(2,0,0),(0,-2,0),(0,0,1)]

Examine if Rolle's theorem is applicable to any of the following functions. Can you say some thing about the converse of Rolle's theorem from these example? f(x) = x^(2)-1 " for "x in [1, 2] .