数学公式默写_2021考研.pdf

楂樼瓑鏁板鐗堝潡

涓€銆佸父瑙佺瓑浠锋棤绌峰皬 锛堭€€ 鈫 饊弾锛

肀掟€仴 鈭 1 ~ (1 + 肀?饊嫾 鈭 1 ~

1 鈭 cosx ~ ln(1 + 肀? ~

arcsinx ~ sinx ~ arctanx ~ tanx ~

肀庰€仴 鈭 1 ~ 1 鈭 肀愴睖肀狆€嫾肀 ~

1 鈭 cosax ~ tanx 鈭 x ~ x 鈭 arctanx ~

x 鈭 sinx ~ arcsinx 鈭 x ~ x 鈭 ln(1 + x) ~

浜屻€佹嘲鍕掑叕寮 ( ) f x =

鈶犲惈锛 饊仴

肀 = 骞傜骇鏁板舰寮忥細

sinx = 骞傜骇鏁板舰寮忥細

cosx = 骞傜骇鏁板舰寮忥細

(1 + 肀?饊嫾 = 骞傜骇鏁板舰寮忥細

鈶′笉鍚紒 1 = 骞傜骇鏁板舰寮忥細

1鈭掟€仴 1 = 骞傜骇鏁板舰寮忥細

1+饊仴

ln(1 + x) = 骞傜骇鏁板舰寮忥細

arctanx = 骞傜骇鏁板舰寮忥細

涓夈€佹眰瀵煎叕寮

(肀欗睖肀 肀?鈥 = (tanx)鈥橗 饊嫾

(cotx)鈥橗 (secx)鈥橗

(cscx)鈥橗 (arcsinx)鈥橗

(arccosx)鈥橗 (arctanx)鈥橗

(arccotx)鈥橗

鍥涖€佺Н鍒嗗熀鏈叕寮

鈭 肀庰€仴 肀戫饱 =

鈭 肀№睅肀涰饱 肀戫饱 = 鈭 肀愴睖肀№饱 肀戫饱 =

鈭 肀犿睊肀愴饱 肀戫饱 = 鈭 肀愴睜肀愴饱 肀戫饱 =

鈭 肀犿睊肀?肀 肀戫饱 = 鈭 肀愴睜肀?肀 肀戫饱 =

鈭 肀犿睊肀愴饱肀№睅肀涰饱 肀戫饱 = 鈭 肀愴睜肀愴饱肀愴睖肀№饱 肀戫饱 = 1 1

鈭 鈭?鈭掟€仴 2 肀戫饱 = 鈭 鈭氿€亷2 鈭掟€仴 2 肀戫饱 = 1 1

鈭 1+饊仴2 肀戫饱 = 鈭 饊亷2 +饊仴2 肀戫饱 = 1 1