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Since ‘one of the …’ is the subject, the verb should be singular. So, ‘has been selected’ is correct. One of the boys from our school has been selected for National Badminton Championship.
Simplify (cos13°+sin 13°) /(cos13°-sin13°)
If sin 23° = `12/13` , then tan 67° = ?
...Simplify: sin (A + B) sin (A - B)
If sinAo = (√3/2), then find the value of (sin245o + cos230o) × A ÷ 5 given that 0 < A < 90...
[(sinx – 2sin 3 x)/(2cos 3 x – cosx)] 2 + 1, x ≠45 o , is equal to:
If tanθ = x then find the value of cos 2θ?