Find the length of the shadow on the ground of a pole of height 18m when angle of elevation θ of the sun is such that tan θ = 67. | Shaalaa.com

7 Epic Tanning Disasters You Won’t Believe!

Anuj Chhajerh on Instagram: "We use sunscreen because we don’t want tanning. But sometimes, tanning still happens. Why? Because sunscreen is not just about applying it. It is about how long the protection stays strong under the sun. Some older sunscreens use old-generation UV filters. These filters can break down faster when you stay in the sun for many hours. When protection becomes weak, tanning slowly starts building. So even if you applied sunscreen, the protection may not last as long as yo