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KE= hν − ϕ = 3-2 = 1 eV
If A and B are complementary angles, then the value of-
sin A cos B + cos A sin B – tan A tan B + sec 2
In ∆ABC, AB = 5cm, BC = 6cm and AC = 10cm then find out the value of cos A?
If sin θ = 3/5 and cos θ = 4/5, find the value of (2tan² θ + 3cot² θ).
If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is
Find the value of sin(θ) if 2sinθ = tanθ, for 0 < θ < 90°.
If (sinx + siny) = a and (cosx + cosy) = b, then find the value of (sinx siny + cosx cosy).
[A] (a²+b²-2)/ 2
[B] (a2-b2<...
if a sin 45 ˚ = b cosec 60 ˚ then find the value of a⁴/b⁴
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If sinAo = (√3/2), then find the value of (sin245o + cos230o) × A ÷ 5 given that 0 < A < 90...
