tính

sin23-cos67

cos34-sin56

tan18-cot72

cot36=tan54

cos15+cos35-sin55-sin75

sin10+sin40-cos50-cos80

thêm \(^o\) ở đằng sau mỗi số 

\(\sqrt{13-4\sqrt{3}}+\sqrt{7-4\sqrt{3}}\)

\(\sqrt{5+2\sqrt{6}}-\sqrt{5-2\sqrt{6}}\)

\(\sqrt{24+8\sqrt{5}}+\sqrt{9-4\sqrt{5}}\)

\(\sqrt{15-6\sqrt{6}}+\sqrt{33-12\sqrt{6}}\)

\(\sqrt{6-4\sqrt{2}}+\sqrt{22-12\sqrt{2}}\)

\(\sqrt{17-12\sqrt{2}}+\sqrt{9+4\sqrt{2}}\)

\(\sqrt{x^2-2x}+1=2024\)

\(\sqrt{3+\sqrt{13+\sqrt{48}}}\)

\(\sqrt{48-10\sqrt{7+4\sqrt{3}}}\)

\(\left(3\sqrt{50}-5\sqrt{18}+3\sqrt{8}\right).\sqrt{2}\)

\(\sqrt{20}-\sqrt{45}+2\sqrt{5}\)

\(2\sqrt{32}-5\sqrt{27}-4\sqrt{8}+3\sqrt{75}\)