Question

A boy is flying a kite with a string 50 metres long. The string makes an angleθ = 60o with ground. Now after half an hour, the string length is same but the height of the kite from ground has reduced to half and angle that string makes with ground isϕ. Find the value of cosϕ.​

Answer 1

Step-by-step explanation:

30degree is the ans pls mark me as brainliest

Answer 2

Answer:

30° is the correct answer

May this helps