Tentukan nilai dari A.tan 330 +cos240+sin240+sin120 B.sin 300x cos135 +sin135 x sin 300

tan330 + cos240 + sin240 + sin120
= (-√3) + (-1/2) + (-1/2√3) + 1/2√3
= -√3 - 1/2

sin300 × cos135 + sin135 × sin300
= (-1/2√3)(-1/2√2) + (1/2√2)(-1/2√3)
= √6 / 4 - √6 / 4
= 0

Maaf ya klo slh..