" If "tan theta=(cos12^(0)+sin12^(@))/(cos12^(@)-sin12^(@))" then "theta=

If tan theta =(cos 12^@ + sin 12^(@))/(cos 12^(@)-sin12^(@)) " then " theta =

(cos12^(@)-sin12^(@))/(cos12^(@)+sin12^(@))+(sin147^(@))/(cos147^(@))=

If (cos 12^@ + sin 12^@)/(cos 12^@ -sin 12^@)=tan x^@ , what is the value of x.

(cos12^@-sin12^@)/(cos12^@+sin12^@)+sin147^@/(cos147^@)=

If tan theta=5/12 then sin theta=

(cos 12^(@) - sin 12^(@))/(cos 12^(@) + sin 12) + (sin 147^(@))/(cos 147^(@))=

Cos^(-1)(cos12) -Sin^(-1) (sin12)=

If tan theta=5/6 then (12 sin theta-5cos theta)/(12sin theta+5cos theta)=

The value of cos^(-1)(cos12)-sin^(-1)(sin12) is

(cos 12^(@) - sin 12^(@))/(cos 12^(@) + sin 12) + (sin 147^(@))/(cos 147^(@))= ................... A) 1 B) -1 C) 0 D) sqrt3