tent nilai dari sin 45° + sin 75°

√2 / 2 + sin (30 + 45)

= √2/2 + sin (30) cos (45) + cos (30) sin (45)
= √2/2 + 1/2 x √2/2 + √3/2 x √2/2
= √2/2 + √2/4 + √6/4
= 3√4/4 + √6/4

hasilnya
3√4 / 4 + √6 / 4

*blh jwbn trbaik