Compute the square of the value of the expression `(4+sec2 0^(@))/(cosec2 0^(@))`

Compute the square of the value of the expression (4+sec20^(@))/(cos ec20^(@))

Compute the square of the value of the expression (4+sec20^(@))/(cos ec20^(@))

Compute the square of the value of the expression (4+sec 20^@)/(cosec 20^@)

Compute the square of the value of the expression (4+sec 20^@)/(cosec 20^@)

Find the value of the expression sqrt3 cosec 20^@-sec20^@ =…….

If theta=3alpha and sin theta =(a)/(sqrt(a^(2)+beta^(2))) ,, the value of the expression a cosec alpha - b sec alpha is

Prove that : sec (70^(@) - 0) = cosec (20^(@) + 0)