[ Let x=sin1^(@) ,then the value of the expression (1)/(cos0^(@)xxcos1^(@))+(1)/(cos1^(@)xxcos2^(@))+(1)/(cos2^(@)xxcos3^(@))+...+(1)/(cos44^(@)xxcos45^(@)) is equal to - ]

Let x=sin1^(@) , then the value of the expression (1)/(cos 0^(@).cos 1^(@))+(1)/(cos 1^(@).cos 2^(@))+(1)/(cos 2^(@),cos3^(@))+……..+(1)/(cos 44^(@).cos45^(@)) is equal to

Let x=sin1^(@) then find the value of the expression (1)/(cos0^(@)cos1^(@))+(1)/(cos1^(@)cos2^(@))+...+(1)/(cos44^(@)cos45^(@))

Let x=sin1^(0), then the value of the expression.(1)/(cos0^(0)cos1^(0))+(1)/(cos1^(0)cos2^(0))+(1)/(cos2^(0)cos3)+(1)/(cos44^(0)cos45^(@)) is equal to (a) x (b) (1)/(x) (c) (sqrt(2))/(x) (d) (x)/(sqrt(2))

Let x=sin1^@ then find the value of the expression 1/(cos0^@cos1^@)+1/(cos1^@cos2^@)+....+1/(cos44^@cos45^@)

then value of the expression sin^(-1)(cos(cos^(-1)(cos x)+sin^(-1)(sin x)))

Let x=sin1^0, then the value of the expression. 1/(cos0^0dotcos1^0)+1/(cos1^0dotcos2^0)+1/(cos2^0dotcos3^0)+1/(cos44^0dotcos45^0) is equal to (a) x (b) 1/x (c) (sqrt(2))/x (d) x/(sqrt(2))

Let x=sin1^0, then the value of the expression. 1/(cos0^0dotcos1^0)+1/(cos1^0dotcos2^0)+1/(cos2^0dotcos3^0)+1/(cos44^0dotcos45^0) is equal to (a) x (b) 1/x (c) (sqrt(2))/x (d) x/(sqrt(2))

Let x=sin1^0, then the value of the expression. 1/(cos0^0dotcos1^0)+1/(cos1^0dotcos2^0)+1/(cos2^0dotcos3^0)+1/(cos44^0dotcos45^0) is equal to (a) x (b) 1/x (c) (sqrt(2))/x (d) x/(sqrt(2))

If sin A + sin^2 A = 1 , then the value of the expression (cos^2A+ cos^4 A) is

The value of the expression (2(sin1^(@)+sin2^(@)+sin3^(@)+...+sin89^(@)))/(2(cos1^(@)+cos2^(@)+...+cos44^(@))+1) equals