`sin15^o +cos15^o `is:

Prove that sin75^o -sin15^o =cos105^o +cos15^o

sin15^@+cos105^@=

Show that (cos15^o -cos105^o )/(cos15^o +cos105^o)=sqrt3

Value of Sin15^(@).cos15^(@) is:

Value of Sin15^(@).cos15^(@) is:

Value of sin15^(@)*cos15^(0) is

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(s) is/are rational? (a) sin15^0 (b) cos15^0 (c) sin15^0cos15^0 (d) sin15^0cos75^0

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

Find the value of sin15^o and cot(-165^o)