`(2)/(10)`

The value of (sin^(2)(pi)/(10)+sin^(2)(4 pi)/(10)+sin^(2)(6 pi)/(10)+sin^(2)(9 pi)/(10)) is

Factorise : (7 (3)/(10) )^2- (2 (1)/( 10))^2

Show that cos^(2)""(pi)/(10)+cos^(2)""(4pi)/(10)+cos^(2)""(6pi)/10+cos^(2)""(9pi)/10=2 .

Solve the following:Show that sin^2(pi/10)+sin^2((4pi)/10)+sin^2 ((6pi)/10)+sin^2 ((9pi)/10)=2

((log_(10)x)/(2))^(log_(10)^(2)x+log_(10)x^(2)-2)=log_(10)sqrt(x)

10sec^(2)A-10tan^(2)A= _______

4(10/x)^2-6(10/x)^2+3(10/x)^2=1

Find the value of x given that 2log_(10)(2^(x)-1)=log_(10)2+log_(10)(2^(x)+3)

The value of p in R for which the equation sin^(-1)((log_(10)x)^(2)-2log_(10)x+2)+tan^(-1)((log_(10)x)^(2)-2log_(10)x+2)+cos^(-1)((log_(10)x)^(2)-2(log_(10)x))=p possess solution is