Sound and light waves both have ___________ .
The two laws of reflection of light are applicable to sound waves as well. The incident wave, the normal to the reflecting surface and the reflected wave at the point of incidence lie in the same plane.
If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
if 7 sin 2 x + 2 cos 2 x = 4 then find tan x
The Value of (sin38˚)/(cos52˚) + (cos12˚)/(sin78˚) - 4cos²60˚ is
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
If 30sin4theta; + 45 cos4theta; = 18 . Then find the value of 216 cosec6theta; + 64 sec6
If α means +, β means -, ɣ means x, θ means ÷ then 30 θ 10ɣ 5α 10β20 is