For small '$\mathrm{\theta }$' (in radian), select correct alternatives.
(i) sin$\mathrm{\theta }$=0 
(ii) cos$\mathrm{\theta }$= 1
(iii) tan$\mathrm{\theta }$=0 
(iv) tan$\mathrm{\theta }$= sin$\mathrm{\theta }$

• A

  (i, ii)

• B

  (ii, iv)

• C

  (i, ii, iv)

• D

  (i, ii, iii, iv)