Which of the following number(s) is/are rational? (a)`sin15^0` (b) `cos15^0` (c)`sin15^0cos15^0` (d) `sin15^0cos75^0`

Which of the following number is rational? sin15^(@)

Which of the following number (s) is/are rational ? a.sin 15^0 b. cos 15^0 c.sin 15^0cos 15^0 d. sin 15^0 cos 75^0

Which of the following number(s) is/are rational? (A) sin15^(@) (B) cos15^(@) (C) sin15^(@)cos15^(@)(D)sin15^(@)cos75^(@)

Which of the following number (s) is/are rational number? (A) sin15^(@) (B) cos15^(@) (C) sin15^(@)cos15^(@)(D)sin15^(@)cos75^(@)

Which of the following number(s) is rational? (A) sin15^(@)(B)cos15^(@)(C)sin15^(@)cos15^(@) ( textrmD ) sin15^(@)cos75^(@)

sin15^(@)+cos105^(@)=?

Find the values of the following: sin75^0 (ii) cos75^0 (iii) sin15^0 (iv) cos15^0

4sin75^@-3cos15^@=

sin 15^(@) + cos 105 ^(@) =

Evaluate: det[[cos15^(0),sin15^(0)sin75^(0),cos75^(0)]]