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National Coal Miners' Day is celebrated on May 4 every year to highlight the contributions of coal miners in meeting the country's energy demands. Theme 2022: The dependence on coal for energy needs is rising across the planet.
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?