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The correct answer is D
Two buildings are 40 meters apart. The height of one building is 20 meters. From the top of the shorter building, the angle of elevation of the top of t...
If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin2y + cos2y?
Simplify: sin 780° sin 480° + cos 120° sin 30°
If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :
If tanθ – cotθ = a and cosθ + sinθ = b, then (b2 –1)(a2 + 4) = ?
Find the Value of Sin⁶`Theta` + Cos⁶`Theta` + 3Sin² `theta` Cos²`Theta`
cos (sec-1 x) is equal to –
∆ PQR is right-angled at Q. If ∠R = 60º, then find the value of cosec P.
(1+sint)/(4-4sint)-(1-sint)/(4+4sint) =?
