If sin (3x- 20°)= cos (3y + 20°), then find the value of (x + y).
If sin (3x- 20°)= cos (3y + 20°), then find the value of (x + y).
1). 90°
2). 60°
3). 120°
4). 30°
SSC CGL Books
1 answers
Answered by
Guest on
| Votes
3 |
#
option 4 : 30° is correct
Join Telegram Group
Other Questions
1. The slope of the line passing through the points (7,-2) and (x,1) is -3/10. Find x.
2. Reflection of the point (1,4) in the xaxis is
3. At what point does the line 3x + y = -6 intercept the x-axis?
4. For triangle PQR, find equation of altitude PS if coordinates of P, Q and R are (6,2), (0,3) and (4,5) respectively?
5. Point P is the midpoint of segment AB. Co-ordinates of P are (5, -1) and A are (2, -4). What are the co-ordinates of point B?
6. The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?
7. What is the slope of the line perpendicular to the line passing through the points (8,2) and (3,1)?
8. Point Q(-1,b) is the midpoint of segment EF. Co-ordinates of point E are (-4,a) and point F are (2,0). What is the value of a and b?
9. The point R(a,b) is first reflected in origin to R1 and R1 is reflected in X-axis to (-5,1). The co-ordinates of point R are?
10. For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?