Question

求sin,cos,tan角度值30 45 60 90 135 150 180 225 240 270 300 315 3

Answer 1

sinx09cosx09tan

30x091/2x09根3/2x09根3/3

45x09根2/2x09根2/2x091

60x09根3/2x091/2x09根3

90x091x090x09无意义

135x09根2/2x09-根2/2x09-1

150x091/2x09-根3/2x09-根3/3

180x090x09-1x090

225x09-根2/2x09-根2/2x091

240x09-根3/2x09-1/2x09根3

270x09-1x090x09无意义

300x09-根3/2x091/2x09-根3

315x09-根2/2x09根2/2x09-1

330x09-1/2x09根3/2x09-根3/3

360x090x091x090