(cos45^(@))/(sec^(2)theta+cos x*30^(@))

Evaluate (cos 45^(@))/(sec 30^(@) + cos 30^(@))

Evaluate the following : (cos45^(@))/(sec30^(@)+cosec30^(@))

Evaluate : (cos 45^(@))/(sec30^(@)+"cosec "30^(@))

Evaluate The following : (cos 45^@)/(sec 30^@+cosec 30^@)

(sin30^(@))/(cos45^(@))+(cot45^(@))/(sec60^(@))-(sin60^(@))/(tan45^(@))+(cos30^(@))/(sin90^(@))=

If x sin45^(0)cos^(2)60^(@)=(tan^(2)60^(@)cos ec30^(@))/(sec45^(@)cot^(2)30^(@)) then x=

( cos 45^ @)/( sec 30^@ + cosec 30 ^@) = ?

Evaluate the following (i) sin 60^@ cos30^@ + sin 30^@ cos 60^@ (ii) 2tan^2 45^@ + cos^2 30^@ - sin^2 60^@ (iii) (cos45^@)/(sec30^@ + c o s e c 30^@) (iv) (sin30^@ + tan45^@ - c o s e c 60^@ )/(sec30^@ + cos60^@ +cot45^@) (v) (5cos^2 60^@ + 4sec^2 30^@ - tan^2 45^@ )/ (sin^2 30^@ + cos^2 30^@ )