`cos 1^(@) cos 2^(@) cos 3^(@)…… cos 179^(@)` का मान है -

The value of the expression cos 1^(@)cos 2^(@) cos 3^(@)…cos 179^(@) is -

cos1^(@)+cos2^(@)cos3^(@)...+cos179^(@)" is "

cos^(@)cos2^(@)cos3^(@).......cos179^(@)=

cos 1^(@) ."" cos 2^(@) ."" cos 3^(@) "…." cos 179 ^(@)= ................. A) 0 B) 1 C) -1/2 D) -1

cos1^(0)cos2^(0)...cos179^(@)

The value of cos1^(@)cos2^(@)cos3^(@)…..cos179^(@) is

The value cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec 55^@ cos60^@ cosec 75^@ is: cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec 55^@ cos60^@ cosec 75^@ का मान है :