![вычислить при помощи формул сложения 1) cos 75 градусов.2)sin4пи/3.3)cos72градуса*cos18градусов-sin72градуса*sin18градусов.4)sin5пи/9*cos2пи/9-cos5пи/9*sin2пи/9.l вычислить при помощи формул сложения 1) cos 75 градусов.2)sin4пи/3.3)cos72градуса*cos18градусов-sin72градуса*sin18градусов.4)sin5пи/9*cos2пи/9-cos5пи/9*sin2пи/9.l](https://otvetka.tutoronline.ru/upload/qa/551da0b3-70a0-4cc1-b970-c434abb4dfc0/3814/%D0%94%D0%BE%D1%81%D0%BA%D0%B0%201.png)
вычислить при помощи формул сложения 1) cos 75 градусов.2)sin4пи/3.3)cos72градуса*cos18градусов-sin72градуса*sin18градусов.4)sin5пи/9*cos2пи/9-cos5пи/9*sin2пи/9.l
![without using ables evaluate sec 2 10 cot 80 sin 15cos75 cos15sin 75 cos asin 90 a sin acos 90 a note it is sec square 10 and cot square 80 - Mathematics - TopperLearning.com | 9epju9ii without using ables evaluate sec 2 10 cot 80 sin 15cos75 cos15sin 75 cos asin 90 a sin acos 90 a note it is sec square 10 and cot square 80 - Mathematics - TopperLearning.com | 9epju9ii](https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=9d079f6280bcaa5783aba35b28c1fb47.png)
without using ables evaluate sec 2 10 cot 80 sin 15cos75 cos15sin 75 cos asin 90 a sin acos 90 a note it is sec square 10 and cot square 80 - Mathematics - TopperLearning.com | 9epju9ii
![Wartość wyrażenia frac{sin 15°cos 75°+cos 15°sin... Zadania.info: rozwiązanie zadania, Z ułamkiem, 6004264 Wartość wyrażenia frac{sin 15°cos 75°+cos 15°sin... Zadania.info: rozwiązanie zadania, Z ułamkiem, 6004264](https://img.zadania.info/zad/6004264/HzadR1x.gif)
Wartość wyrażenia frac{sin 15°cos 75°+cos 15°sin... Zadania.info: rozwiązanie zadania, Z ułamkiem, 6004264
Find the Value of (i) sin 75° (ii) cos 75° (iii) tan 75° (iv) sin 15° - Sarthaks eConnect | Largest Online Education Community
![In triangle ABC , we are given that 3sin A + 4cos B = 6 and 4sin B + 3cos A = 1 . Then the measure of the angle C is. In triangle ABC , we are given that 3sin A + 4cos B = 6 and 4sin B + 3cos A = 1 . Then the measure of the angle C is.](https://d2rrqu68q7r435.cloudfront.net/images/4457801/4dce6d5b-df9d-4f65-b59f-5dc65f3cb18e.jpg)
In triangle ABC , we are given that 3sin A + 4cos B = 6 and 4sin B + 3cos A = 1 . Then the measure of the angle C is.
![sin 75 - sin 15 / cos 75 + cos 15 - Maths - Inverse Trigonometric Functions - 12567487 | Meritnation.com sin 75 - sin 15 / cos 75 + cos 15 - Maths - Inverse Trigonometric Functions - 12567487 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5ac9ddec45863.png)