`(sin 34^(@) cos 236^(@)- sin 56^(@) sin 124^(@))/(cos 28^(@) cos 88^(@)+ cos 178^(@) sin 208^(@))` का मान क्या है ?

(1+ cos 56^(@) + cos 58^(@) - cos 66^(@))/( cos 28^(@) cos 29^@ sin 33^(@) )=

(cos 28^(@))/(sin 62^(@))=?

What is the value of (sin34^@cos236^@-sin56^@sin124^@)/(cos28^@cos88^@+cos178^@sin208^@)

cos 56 ^(@) + cos 58^(@) - cos 66^(@) - 4 cos 28^(@) cos 29^(@) sin 33 ^(@) =

(cos 28^(@))/(sin 62^@)=?

(cos 62^@)/(sin 28^@) =?

What is the value ofLsin 34Â^@ cos 236 -sin 56Â^@ sin 124Â^@COs 28Â^@ cos 88Â^@+ cos 178Â^@ sin 208Â^@(a) -2124(b) -1(c) 2(90(d) 1

What is the value of (sin 2^(@) sin 4^(@) sin 6^(@) . . . . sin^(@) 88^(@))/(cos 88^(@) cos 86^(@) cos84^(@). . . . cos2 ^(@)) (Do not use trigonometric tables )

Show that 1+cos 56^(@)+ cos 58^(@)-cos66^(@)=4 cos 28^(@) cos 29^(@) sin 33^(@)

Prove that cos32^(@) sin20^(@) + cos144^(@) cos2^(@) + sin68^(@) cos56^(@) = 0