榄忓幙绗簩涓瀵煎妗?/p>
涔?/p>
骞寸骇
绉戠洰
鏁板
缂栧埗浜?/p>
鐜嬫枃棣?/p>
缁勯暱
鏁欏澶?/p>
鐝骇
灏忕粍
濮撳悕
鏁欏笀璇勪环
浣跨敤鏃ユ湡
璇鹃
28.1.3
閿愯涓夎鍑芥暟鈥斺�旂壒娈婅涓夎鍑芥暟鍊?/p>
澶囨敞
瀹?/p>
鍚?/p>
瀵?/p>
鍏?/p>
瀛?/p>
涔?/p>
鐩?/p>
鏍?/p>
鈶?/p>
:
鑳芥帹瀵煎苟鐔熻
30
掳
銆?/p>
45
掳
銆?/p>
60
掳瑙掔殑涓夎鍑芥暟鍊硷紝骞惰兘鏍?/p>
鎹繖浜涘�艰鍑哄搴旈攼瑙掑害鏁般�?/p>
鈶?/p>
:
鑳界啛缁冭绠楀惈鏈?/p>
30
掳
銆?/p>
45
掳
銆?/p>
60
掳瑙掔殑涓夎鍑芥暟鐨勮繍绠楀紡
銆愬涔犻噸鐐广�?/p>
鐔熻
30
掳
銆?/p>
45
掳
銆?/p>
60
掳瑙掔殑涓夎鍑芥暟鍊硷紝
鑳界啛缁冭绠楀惈鏈?/p>
30
掳
銆?/p>
45
掳
銆?/p>
60
掳瑙掔殑涓夎鍑芥暟鐨勮繍绠楀紡
銆愬涔犻毦鐐广�?/p>
30
掳銆?/p>
45
掳銆?/p>
60
掳瑙掔殑涓夎鍑芥暟鍊肩殑鎺ㄥ杩囩▼
瀵?/p>
鍏?/p>
涓�涓洿瑙掍笁瑙掑舰涓紝涓�涓攼瑙掓寮︽槸鎬庝箞瀹氫箟鐨勶紵
涓�涓攼瑙掍綑寮︽槸鎬庝箞瀹氫箟鐨勶紵
涓�涓攼瑙掓鍒囨槸鎬庝箞瀹氫箟鐨勶紵
鑷?/p>
涓?/p>
瀛?/p>
涔?/p>
濡傚浘鎵�绀猴紝鍦?/p>
Rt
鈻?/p>
ABC
涓紝鈭?/p>
C
锛?/p>
90
掳锛?/p>
鈶?/p>
鏂滆竟
)
(
sin
飥?/p>
A
锛?/p>
______
锛?/p>
鏂滆竟
)
(
sin
飥?/p>
B
锛?/p>
______
锛?/p>
鈶?/p>
鏂滆竟
)
(
cos
飥?
A
锛?/p>
______
锛?/p>
鏂滆竟
)
(
cos
飥?
B
锛?/p>
______
锛?/p>
鈶?/p>
鐨勯偦杈?
A
A
飪?/p>
飥?
)
(
tan
锛?
______
锛?/p>
)
(
tan
鐨勫杈?
B
B
飪?/p>
飥?/p>
锛?
______
锛?/p>
鐙珛
鑷
瀹屾垚