![Calculati a) sin 30° tg 45° +cos 30º . ctg 60° b) sin 60° cos 60° + sin 30° cos 30° sin 45 cos 45º - Brainly.ro Calculati a) sin 30° tg 45° +cos 30º . ctg 60° b) sin 60° cos 60° + sin 30° cos 30° sin 45 cos 45º - Brainly.ro](https://ro-static.z-dn.net/files/d6e/dca6fd35c7f56e5afdbf616f07926b2c.png)
Calculati a) sin 30° tg 45° +cos 30º . ctg 60° b) sin 60° cos 60° + sin 30° cos 30° sin 45 cos 45º - Brainly.ro
![5 Calculaţi: a) sin 30°. tg 45° + cos 30° b) sin 60° cos 60° + sin 30° - sin 45° cos 45° ctg 60° cos 30°Dau - Brainly.ro 5 Calculaţi: a) sin 30°. tg 45° + cos 30° b) sin 60° cos 60° + sin 30° - sin 45° cos 45° ctg 60° cos 30°Dau - Brainly.ro](https://ro-static.z-dn.net/files/d99/bfa9640c39f1b98198d53d50504eb811.png)
5 Calculaţi: a) sin 30°. tg 45° + cos 30° b) sin 60° cos 60° + sin 30° - sin 45° cos 45° ctg 60° cos 30°Dau - Brainly.ro
![Calculati:a) sin 30°•tg45°+cos30°•ctg60°=b) sin60°•cos60°+sin30°•cos30°-sin45°•cos45°= AJUTOR URGENT - Brainly.ro Calculati:a) sin 30°•tg45°+cos30°•ctg60°=b) sin60°•cos60°+sin30°•cos30°-sin45°•cos45°= AJUTOR URGENT - Brainly.ro](https://ro-static.z-dn.net/files/deb/551ef56208826b4092a9fefdda66f301.jpg)
Calculati:a) sin 30°•tg45°+cos30°•ctg60°=b) sin60°•cos60°+sin30°•cos30°-sin45°•cos45°= AJUTOR URGENT - Brainly.ro
![1)Calculati: 2sin 60 grade-3tg 30 grade 2)Aratati ca : sin 20grade - sin160grade = cos 20grade+cos - Brainly.ro 1)Calculati: 2sin 60 grade-3tg 30 grade 2)Aratati ca : sin 20grade - sin160grade = cos 20grade+cos - Brainly.ro](https://ro-static.z-dn.net/files/d94/cb8957c45aecd4831c5d45f99df6a46c.jpg)
1)Calculati: 2sin 60 grade-3tg 30 grade 2)Aratati ca : sin 20grade - sin160grade = cos 20grade+cos - Brainly.ro
![Arătaţi că cos 30° + sin 45° + cos 60° / sin 30°+ cos 45º + sin 60° = 1Nu trebuie explicat ! - Brainly.ro Arătaţi că cos 30° + sin 45° + cos 60° / sin 30°+ cos 45º + sin 60° = 1Nu trebuie explicat ! - Brainly.ro](https://ro-static.z-dn.net/files/d8a/e0d811c4f4618ac630fc9291906b3604.jpg)
Arătaţi că cos 30° + sin 45° + cos 60° / sin 30°+ cos 45º + sin 60° = 1Nu trebuie explicat ! - Brainly.ro
![22. Calculaţi:a) sin 30° x cos 60° – sin 45º x cos 45º =a) sin 60° x tg 30° + cos 30° x ctg 60° = - Brainly.ro 22. Calculaţi:a) sin 30° x cos 60° – sin 45º x cos 45º =a) sin 60° x tg 30° + cos 30° x ctg 60° = - Brainly.ro](https://ro-static.z-dn.net/files/d4b/47f496c5d6ebab0fcad5fd831d80bee4.jpg)