Start learning 50% faster. Sign in now
Let required distance be D km. Distance covered by Dev till 12:00 PM = 42 × 2 = 84 Time taken by them to meet each other = (D − 84)/(42 + 28) = 2.5 So, required distance = D = 2.5 × 70 + 84 = 259 km
cos A (sec A – cos A) (cot A + tan A) = ?
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
tan 1˚ × tan 2˚× …………………….tan 88˚ × tan 89˚ = ?
If 7sin²θ + 3cos²θ = 4, then find the value of θ?
If 2cosA + secA = 2√2 , 0° < < 90°, then the value of 2(sec 4 A + cosec 4 A) is:
If sin A - cos A = 3/7, then find value of sinA + cos B, where A is an acute angle.
sin2 4˚ + sin2 6˚ + sin2 8˚ + sin2 10˚ + ……… + sin2 86˚ =?
Given that 'θ' is an angle less than 120 ° , what is the value of 'θ' if it satisfies the equation 3cos 2 θ = 2 + sin 2