Show that the point A(4,6,-5) (0,2,3) and C (-4,-4,-1) from the vertices of a isosceles triangle
A 1.5 m tall boy is looking at the top of a temple which is 30 meter in height from a point at certain distance. The angle of elevation from his eye to the top of the crown of the temple increases from 30º to 60º as he walks towards the temple. Find the distance he walked towards the temple.
A 1.5 m tall boy is looking at the top of a temple which is 30 meter in height from a point at certain distance. The angle of elevation from his eye to the top of the crown of the temple increases from 30º to 60º as he walks towards the temple. Find the distance he walked towards the temple.
how to remember the values of trigonometry of certain angles and trigonometric ratios
If 𝑎⃗⃗ 𝑎𝑛𝑑 𝑏⃗⃗ are any two vectors then show that
1. |𝑎⃗ . 𝑏⃗⃗| ≤ |𝑎⃗||𝑏⃗⃗| 2. |𝑎⃗ + 𝑏⃗⃗| ≤ |𝑎⃗| + |𝑏⃗⃗|