ATQ, Let the eighth number be 10x. So, the ninth number = 1.20 × 10x = 12x. Tenth number = 850/9 × 1/100 × 12x = 34x/3. So, 10x + 12x + 34x/3 = 81 × 17 – 6 × 91.5 – 8 × 71.5 = 255. Or, 100x/3 = 255. Or, x = 7.65. So, the ninth number = 12 × 7.65 = 91.8.
Sec A -Tan A = 1/16 then find the value of cot A =?
The maximum value of 45 sin θ + 28 cos θ is:
If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is
If 7sin²θ + 3cos²θ = 4, then find the value of θ?
If tan A = 
, find the va...
Solve for x in the interval [0, 2π]: 2 sin²x + 3 sinx - 2 = 0.
The minimum value of 77 sin θ + 36cosθ is
