Question
Which one of the following strategies does not help in
preventing the incidence of âwhiteflyâ in cotton?Solution
Whitefly spoil cotton plants in 2 ways - firstly by sucking the juice and secondly by excreting honeydew in which sooty mould develops.
Find the Value of Sinâś`Theta`  + Cosâś`Theta`  + 3Sin² `theta` Cos²`Theta`
Find the maximum value of 18 sin A + 7 cos A.
If (5sinx - cosx) = 2â2sinx, then find the value of 'tanx'
Simplify:
8sin 27° sec 63° + 3cot 64° cot 26°If x = r sin A cos B, y = r sin A sin B and z = r cos A, then find x² + y² + z².
The minimum value of 77 sin θ + 36cosθ is
If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
If sec A + tan A = 3 then the value of cot A is:
- Determine the value of:(sin 38 o cos 52 o  + cos 2  38 o ) X sin 30 o  + (cos 60 o tan...
If tan A = 1 and tan B = â 3, what is the value of cos A . cos B - sin A . sin B?