Question
Lactometer is used to measure _____ in
milk.Solution
Lactometer is a hydrometer instrument that is used to check for the purity of milk by measuring milk's density; usually it works on the principle of gravity of milk.
If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan17 θ + cot19 θ.
If A, B and C are angles of triangle, then sin2A + sin2B + sin2C– 2cosA cosB cosC
- If 5tanθ = 12, then find the value of (sinθ – cosθ).
If √3 tan x = 3, then the value of x:
Find the value of: (Sin2 60 ° X cos 30 ° X sec 60°)/tan 30°
Solve the following trigonometric expression:
 If sin θ = 3/5 and cos θ = 4/5, find the value of (2tan² θ + 3cot² θ).
if 8 sin 2 x + 3 cos 2 x = 4  then find tan x
Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevat...
