Question

Finding the value of the trig function tanpi/2 without a calc?

Answer 1

tan(pi/2)=sin(pi/2) / cos(pi/2)

Answer 2

and that would be 1/0 which is undefined in mathematics

Answer 3

I dont think u can do this withou a calculator, as it is impossible to define pi as exact numbers

Answer 4

Where and why did you get the sin and cos, is there a formula or something?

Answer 5

You can do this without a calc. that's my homework?

Answer 6

tanx = sinx / cosx
u know in pi/2 , sinx = 1 and cosx = 0
1/0 which is undefined

Answer 7

How did you know that sinx=1 and cosx=0?

Answer 8

draw out the curve , or use unit circle