請問大神這題要怎麼寫？？題目是藍色的那個 （如果能用我的畫圖方法最好，沒有也沒關係）🙏

(30 © Sz (an 2) dx 2 Ahz 23 n 2 - Sun MB -3 2 2 luz 4 4 X Blna 3 ln Z 3 又 Asing Z 又 -37 IN

求解

20 cosa asing 9 sind=20 cost cosa 1-1 直径 9. 般 a 為銳角,若20 cosa=9tana, sina = Rar sinal pocosd = cosa Jocosa cosa 2o cosa= sina Stha cosa aqsina SL

請問這題用點到直線的方式怎麼算

1JAR (配合課本例 2 Cos 0 p 已知O(0,0), 4(3.4),且P為國City =4上的一點,求AOAP的最大面積, et A(3,4) 52 p(xcost , zsinp) 030 CM up=(20sf, asing) || A =(3,4) - 1 scose -b siubl zsint 4. | ļ x 10 =5 A Air 演練 11 已知A(2,-2),B(5.2),且P為圆C:(x+1)+(y+1)=4上的一點,求AABP的 解。 x=-/t2cost 2005-3 2sinft p B (5,2) 4 Ply 3 Y = 1 tasiut

1.（2）求救

2 、填充題(6 格 , 每格 10 分.共60 分) 1.解下列不等式 : (1)log3x>一1 (2)1ogi 六 <0 三 六 此 0 全

請問此題，謝謝！

求 f(x)=33 的極大值 姜極小值

請問第29格為什麼不是which contains

With the rise of the living standard, the waistlines of moder people are also increasing, Obesity has become the main cause ofchronic diseases and even deaths. In order to fight against obesity, many countries are taking measures to alert their citizens the health hazard. ln Japan, the government set a standard for the waistlines of people over 40. Those who exeeed the standard will be offered free diet counseling courses. In the U.K.,。。11 “more than 20 % Ofthe population are overweight, residents in some cities strap electronic devices to their bodies to measure how much they eXereise daily. Those who do exercise daily are rewarded with store coupons. In Denmark, 為。 only less than 10 % of the Danes are 0呈 呈請 和Weight the Danish government has recently imposed a fat taX on products導 人 over 2.3 % 0f saturated fat. For each Kilogram of fat, the customers will be taxed 16 kroner more ($ 2.9 USD): Therefore, shoppers will be charged 30 % more for a pack of butter and 8 % more for a bag 0 potato chips. Still, it remains to be seen 約the price hike will have any effect on fighting obesity. al多人)和

請問演練9要怎麼接著做計算呢？

避 (還 店 、 了人 中 衝 ! LV 只| / (Wi 人 一 WiW功 | li 00蝦螞73導 演練9 xxˋ 設9為銳角, 化簡cos“9-sin'9+2sin' 9 . 解雇 同 8 0 Lam0)(tbem0) 0 0 還 【配合課本例 8】 設9為銳角, tan9=A&, 試用表出sin9和cos9 . 飼 0 ti ywW ~