Երկրաչափություն. Դասարանական աշխատանք
tgA=1 => <A=45°, => <B=45°
2.
<A=60°
<B=30°
SinA=√3/2
tgA=√3
3.
a2=c2-b2=√25-√16=√9=3
SinB=3/5
COSB=CB/AB=4/5
tgA=4/3
English exercise
Complete using the correct form of the words and phrases in the box Do you dream of scoring the winning goal in a football match, or beating a top tennis player? Sport interests people, and it is a great way to stay healthy and have fun at the same time. That is why the local council has decided to help young people who want to or ganise their own sports club. We know it is a big challenge , and that’s why we’ll give you the money you need to get started. we’ll help you find a place to train and give you money to find good players in your area. Contact the Town Hall for details..
Комментарии
Отправить комментарий