if
cos = x and sin=y. Then prove that x²+y²= 1
Answers
Answered by
0
Answer:
I hope you find the solution helpful :)
Step-by-step explanation:
Given,
cosα = x
sinα = y (for which α is any angle)
Now,
x² + y² = cos²α + sin²α
We also know that cos²α + sin²α = 1
Therefore, x² + y² = 1.
Hence,
proved
Similar questions