A vertical tower stands on a horizontal plane and is surmounted by a vertical flag staff of height h. At a point on the plane, the angle of elevation of the bottom of the flag staff is and that of the top of the flag staff is β. Then the height of the tower is
Apply tan
in ∆BCD Tan
= x / K k = (x / tan
) ---- (1) apply tanβ in ∆ACD => tanβ = (ĥ+x) / K => K = (h + x) / (tanβ) ----- (2) Example like (1) and (2) => x / tan
= (h+x) / tanβ => xtanβ = tan
h + xtan
=> xtanβ – xtan
= h tan
=> x(tanβ – tan
) = h tan
=> x = (h tan2) / (tanβ – tan
)
Given the following Input:
“She was selected for her work to encourage”, what would be the step VI of the input?
Input for Qs. 6 - 10: 28 33 92 35 73 46 84 11
How ma...
Input for Qs. 6 - 10: 28 33 92 35 73 46 84 11
In ste...
Which of the following steps is the given output?
18 empower 46 provider 77 general 93 opinion
Which element is exactly between “course” and “85” in the second step of the given arrangement?
The entry codes for which of the following batches of Tuesday will not change on Thursday?
Which number would be at the fourth position from the left end in the last step of the output?
Step II of an input is: table 74 parrot 14 32 neat jackal 42
Which of the following is definitely the input?
Which element is fifth to the left of the element which is ninth from the left end of the fourth step?
Input for Qs. 6 - 10: 28 33 92 35 73 46 84 11
Which ...