Question

sin? 60° + cos² 60° = 1​

Answer 1

Answer:sin^2x+cos^2x=1

sin^260+cos^260=1

Answer 2

Answer:

${sin}^{2} 60 + {cos}^{2} 60 \\ \\ {( \frac{ \sqrt{3} }{2} })^{2} + ( \frac{1}{2} ) ^{2} \\ \\ \frac{3}{4} + \frac{1}{4} \\ \\ \frac{3 + 1}{4} \\ \\ \frac{4}{4} \\ \\ 1 \\ hence \: proved$