Write an expression for all radian solutions???

Question

sinx= 0

cosx= -1

tanx= 1

Please explain how to do it, not just give the answer.

Thanks :)

Answer 1

sin = 0

radian = π and 2π

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cos = - 1

Radian = π

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tanx = 1

radian = π / 4 and 5π / 4

- - - - - - - - -s-

Answer 2

I am doing for range 0 less than x which is less than 2pie

a) sinx=0
x=0, pie, 2pie

b) cosx=-1
x=cos^(-1)1
x=0, 2pie

c)tanx=1
x=tan^(-1)1
basic angle theta=0.785rad

tan is positive in the 1st and the 3rd therefore:
x=0.785rad, pie+0.785
x=0.785, 3.927