asin(theta) + bcos(theta) =c then find acos(theta) - bsin(theta)

tan x= 5/12 and tan y= 3/4, AB = 48 m find CD | Class 9 | Trigonometry

 

Answer: CD = 45 m

logx/logy=3/2 and log(xy)=5 Find value of x and y | Class 9 | ICSE | Logarithm

ANSWER: x= 1000 and y= 100

Class 9 | A simple U tube contains mercury to the same level in both of its arms. If water is poured to a height of 13.6 cm in one arm, how much will be the rise in mercury level in the other arm?

 

In a Pentagon ABCDE, AB is parallel to DC and angle A: angle E: angle D = 3:4:5. Find angle E. Class 9 | Rectilinear Figure