cos mean is the average and median is putting them in ascending order and selecting the middle one
example: 23 ,24 ,27 ,28 ,29
mean= 26.2(it's like it's in the middle)
Median= 27
now, which do you think is more accurate??:)
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This question doesn't mean anything. Explain more thoroughly.
If B is 90 degrees, Tan A is BC / AB. But I don't know what you mean by Tan A by 2.
TAN on your calculator means TANGENT. In Pythagoras Theorem. Try googling about Pythagoras Theorem and it will answer your questions. Hope this helps.
tan(9) + tan(81) - tan(27) - tan(63) = 4
This can be solved using the Tangent trigonometric ratio. The larger angle of elevation is the closer angle. Let the horizontal distance from this point to the peak of the mountain be d metres; then: height = d × tan 22.3° The second point is a further 500 m from the peak with an elevation of 16.6°; this gives: height = (500 + d) × tan 16.6° As the height is the same at both measurements, these two values must be equal: → d × tan 22.3° = (500 + d) × tan 16.6° → d × (tan 22.3° - tan 16.6°) = 500 × tan 16.6° → d = 500 × tan 16.6° / (tan 22.3° - tan 16.6°) → height = d × tan 22.3° = 500 × tan 16.6° / (tan 22.3° - tan 16.6°) × tan 22.3° ≈ 546 m (Generally mountains are more than 600 m, so this is more of a hill.)