In Fig. 5.47, the value of `cosvarphi` is (FIGURE) `5/4` (b) `5/3` (c) `3/5` (d) `4/5`

In Fig.5.47 ,the value of cos varphi is (FIGURE) (5)/(4) (b) (5)/(3)(c)(3)/(5) (d) (4)/(5)

If cosA=4/5 , then the value of tanA is: (a) 3/5 (b) 3/4 (c) 4/3 (d) 5/3

What is the value of (a+b)/(a-b) , if a/b=4? (a) 3/5 (b) 5/3 (c) 4/5 (d) 5/4

What is the value of (a+b)/(a-b) , if a/b=4? 3/5 (b) 5/3 (c) 4/5 (d) 5/4

If |z|+z=3+i , then value of |z| is (A) 5//3 (B) 3//5 (C) 4//3 (D) 3//4

If |z|+z=3+i , then value of |z| is (A) 5//3 (B) 3//5 (C) 4//3 (D) 3//4

If a/b=4/3, then the value of (6a+4b)/(6a-5b) is (a) -1 (b) 3 (c) 4 (d) 5

5, 5r, 5r^2 are sides of a triangle. Which value of r cannot be possible (a) 3//2 (b) 5//4 (c) 3//4 (d) 7//4

5, 5r, 5r^2 are sides of a triangle. Which value of r cannot be possible (a) 3//2 (b) 5//4 (c) 3//4 (d) 7//4

5, 5r, 5r^2 are sides of a triangle. Which value of r cannot be possible (a) 3//2 (b) 5//4 (c) 3//4 (d) 7//4