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: What can you say about cot 0^(@) =(1)/( tan 0^(@) ) Is it 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?

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] .

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 ?