" 17.The value of the expression "(2sin^(2)91^(@)-1)(2sin^(2)92^(@)-1)......(2sin^(2)180^(@)-1)" equal to "

The value of the expression (2sin^(2)91^(0)-1)(2sin^(2)92^(0)-1)..(2sin^(2)180^(0)-1) is equal to

The value of expression (2sin^(2)91^(0)-1)(2sin^(2)92^(0)-1)...(2sin^(2)180^(@)-1) is equal to 0(b)1quad (c)2^(90)(d)2^(90)-90

The value of expression (2sin^2 91^0-1)(2sin^2 92^0-1)......(2sin^2 180^0-1) is equal to

The value of expression (2sin^2 91^0-1)(2sin^2 92^0-1)...(2sin^2 180^0-1) is equal to 0 (b) 1 (c) 2^(90) (d) 2^(90)-90

The value of expression (2sin^2 91^0-1)(2sin^2 92^0-1)(2sin^2 180^0-1) is equal to 0 (b) 1 (c) 2^(90) (d) 2^(90)-90

The value of expression (2sin^2 91^0-1)(2sin^2 92^0-1)(2sin^2 180^0-1) is equal to 0 (b) 1 (c) 2^(90) (d) 2^(90)-90

The value of expression 2sec^(-1) 2 + sin^(-1) (1/2) is :

The value of sin^(2)1^(@)+sin^(2)2^(@)+sin^(2)3^(@)+....+sin^(2)88^(@)+sin^(2)89^(@) is equal to

Find the value of each of the expressions in sin^(-1)("sin"(2pi)/3)