Question

If tanα is an integral solution of 4x² – 16x + 15 < 0 and cosβ is the slope of the bisector of the angle in the first quadrant between the x & y axes, then the value of sin(α + β): sin(α – β) is equal to

(a) –1

(b) 0

(c) 1

(d) 2

Answer 1

Correct option is (c) 1