Question
Find the third proportional to 15 and
45?Solution
Third proportional = a : b :: b : c It can be written as = b2 = ac Here, a : b : c = 15 : 45 : c => 45 × 45 = 15 × c => c = (45 × 45)/15 = 135
More ESIC Part B Questions
The value of (3tan10°-tan³10°)/(1-3tan²10°) is equal to
If √3cosec 2x = 2, then the value of x:
- If (sin 3A sec 6A = 1) , then what will be the value of cos 6A?
If sec 2A = sin2 60o + sec 60o - cos2 30 o , then find the value of (√3tan A + cot ...
- Find the value of sin²40° + sin²50° + cos²60° + cos²30°.
Find the value of (1 - sin2q) X (secq + tanq) X (secq - tanq) X cosec2q
If sin 2A = cos (3A - 60o) , then find the value of sec 2A.
- Determine the value of :
If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
If cos θ + sin θ = m, sec θ + cosec θ = n then n(m 2 – 1) is equal to?
Relevant for Exams:
