กƒVƒ…ƒŒ[ƒtƒŠ‚ฬŒ๖Žฎ‚ฦ’ผŠpŽOŠpi‚ป‚ฬ‚P‚V‚Vj

ณŽl–ส‘ฬ‚ล‚อƒฟ=ƒฮ/3,ƒภ=ƒฮ/3จใ3sinƒม1

(tanƒฟ)^2=3

(tanƒภ)^2=3

(tanƒม)^2=1/2

cosƒย= 1/3จ2/3,1/2

‚P@@@‚P@@@‚P@@@‚P@@@‚P

@@‚Q@@@‚Q@@@‚Q@@@3/4

@@@@‚R@@@‚R@@@1/2

@@@@@@‚S@@@1/4

@@@@@@@@‚O

(tanƒฟ)^2(tanƒม)^23/2

(secƒฟ)^2(secƒม)^2/(secƒภ)^24E6/4/i4j3/2



s”2‚ฬƒtƒŠ[ƒY‚ฬ•นi‹พ‰f‚อ

‚P@@@‚P@@@‚P@@@‚P@@@‚P@@@‚P@@@‚P

@@‚@@@‚‚@@@‚ƒ@@@‚„@@@‚…@@@‚

@@@@‚„@@@‚…@@@‚@@@‚‚@@@‚ƒ

@@@@@@‚P@@@‚P@@@‚P@@@‚P

@@@@@@@@‚O@@@‚O@@@‚O



‚P@@@‚P@@@‚P@@@‚P@@@‚P@@@‚P

@@1/2@@@‚W@@@1/2@@@‚R@@@‚R

@@@@‚R@@@‚R@@@1/2@@@‚W

@@@@@@‚P@@@‚P@@@‚P@

@@@@@@@@‚O@@@‚O

(tanƒฟ)^2(tanƒม)^23/2

(secƒฟ)^2(secƒม)^2/(secƒภ)^24E3/2/i4j3/2‚อฌ‚่—ง‚ย

(1,1,1EEE)‚เŒป‚๊‚ฝ.•นi‹พ‰fซ‚เฌ‚่—ง‚ยB

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