Упростите выражение: (cos²a

ammaline @ammaline

August 2022 1 26 Report

Упростите выражение:

(cos²a - ctg²a)×sin²a

Answers & Comments

nafanya2014

Verified answer

$(cos^2\alpha - ctg^2\alpha )\cdot sin^2\alpha =(cos^2\alpha -\frac{cos^2\alpha }{sin^2\alpha })\cdot sin^2\alpha =cos^2\alpha \cdot sin^2\alpha -cos^2\alpha =\\\\=cos^2\alpha \cdot (sin^2-1)=cos^2\alpha \cdot (-cos^2\alpha )=-cos^4\alpha$

1 votes Thanks 1

zapishite vse dvuznachnye chisla kotorye mozhno sostavit iz cifr 1357 ispolzuac76937b938cc7c98df58dcce3b5d585 76052

Answer

ammaline July 2022 | 0 Ответы

pomogite pozhalujsta dat otvet na 2 voprosa srochno

Answer

ammaline July 2022 | 0 Ответы

reshite neravenstva 2h3lth2 h 5gt3 h 2 hlt3h 10 7h 1gth5 5h2gt3

Answer

ammaline June 2022 | 0 Ответы

s pomoshyu risunka 53 razyasnite geometricheskij smysl formuly a baba bdl

Answer

ammaline June 2022 | 0 Ответы

reshite uravnenie zaranee spasibo764bc7b97a878f88308299fd7c11e4fb 11780

Answer

ammaline June 2022 | 0 Ответы

reshite uravnenie obrazec na fotografii zaranee spasibo

Answer

Answers & Comments

Verified answer

pomogite pozhalujsta srochno ya zadavala etot vopros ranee no nikto ne otvetil

bilimland harakteristika otraslej mirovogo hozyajstvaizuchi tekst i opredeli ka

predstavte odnochlen v standartnom vide1dc4e22bbe9d1c63f4c264fec0b05003 77744

fizicheskij tip cheloveka v epohu neolitaef5d6c21f5a7373622aee5caea936333 59770

zapishite vse dvuznachnye chisla kotorye mozhno sostavit iz cifr 1357 ispolzuac76937b938cc7c98df58dcce3b5d585 76052

pomogite pozhalujsta dat otvet na 2 voprosa srochno

reshite neravenstva 2h3lth2 h 5gt3 h 2 hlt3h 10 7h 1gth5 5h2gt3

s pomoshyu risunka 53 razyasnite geometricheskij smysl formuly a baba bdl

reshite uravnenie zaranee spasibo764bc7b97a878f88308299fd7c11e4fb 11780

reshite uravnenie obrazec na fotografii zaranee spasibo

рекомендуемые вопросы

Helpful Links

Helpful Social