If `x+y=pi/4a n dtanx+tany=1,t h e n(n in Z)`

If x+y=pi/4 and tanx+tany=1, then

If x+y =pi/4 and tanx + tany=1 , then

If x ,y in R a n d2x^2+6x y+5y^2=1,t h e n a. |x|lt=sqrt(5) b. |x|geqsqrt(5) c. y^2lt=2 d. y^2lt=4

Let (x , y) be such that sin^(-1)(a x)+cos^(-1)(y)+cos^(-1)(b x y)=pi/2dot Match the statements in column I with statements in column II Ifa=1a n db=0,t h e n(x , y) , (p) lies on the circle x^2+y^2=1 Ifa=1a n db=1,t h e n(x , y) , (q) l i e son(x^2-1)(y^2-1)=0 Ifa=1a n db=2,t h e n(x , y) , (r) lies on y=x Ifa=2a n db=2,t h e n(x , y) , (s) lies on (4x^2-1)(y^2-1)=0

If f(x)=(x+1)/(x-1)a n dg(x)=1/(x-2),t h e n discuss the continuity of f(x),g(x),a n dfog(x)dot

In triangle A B C , if sinAcosB=1/4 and 3t a n A=t a n B ,t h e ncot^2A is equal to (a)2 (b) 3 (c) 4 (d) 5.

If z_1=5+12 i and |z_2|=4,t h e n

If sin(y+z-x),sin(z+x-y),"sin"(x+y-z) are in A.P., then t a n x ,tany ,tanz are in (a)A.P. (b) G.P. (c) H.P. (d) none of these

Solve: tanx + tany =1, x+y=pi/4

Solve :tanx+tany=1, x+y=pi//4