![Points A, B, and C are plotted on the unit circle. Which of the coordinates is equal to sin (4pi/5) - Brainly.com Points A, B, and C are plotted on the unit circle. Which of the coordinates is equal to sin (4pi/5) - Brainly.com](https://us-static.z-dn.net/files/d64/4bd6bc4bfe2b545b738934c47cf5815c.png)
Points A, B, and C are plotted on the unit circle. Which of the coordinates is equal to sin (4pi/5) - Brainly.com
![Find the amplitude, period, and horizontal shift of the function. y = -3 sin (4 (x + pi / 4)) Graph one complete period. | Homework.Study.com Find the amplitude, period, and horizontal shift of the function. y = -3 sin (4 (x + pi / 4)) Graph one complete period. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/sdy676098755336020997877.png)
Find the amplitude, period, and horizontal shift of the function. y = -3 sin (4 (x + pi / 4)) Graph one complete period. | Homework.Study.com
The expression 3 [ sin ^4 { 3pi2 - alpha } + sin ^4 (3pi + alpha ) ] - 2 [ sin ^6 ( pi2 + alpha ) . + sin ^6 (5pi - alpha )] is equal to :
![Need help understanding why the answer is pi. I don't understand the first line at all and I don't understand how they got rid of the sin(4pi) / 4 in the last Need help understanding why the answer is pi. I don't understand the first line at all and I don't understand how they got rid of the sin(4pi) / 4 in the last](https://i.redd.it/r9opqo7tjjzy.jpg)
Need help understanding why the answer is pi. I don't understand the first line at all and I don't understand how they got rid of the sin(4pi) / 4 in the last
![Prove that sin^4(pi/16) + sin^4(3 pi/16) + sin^4(5 pi/16) + sin^4(7 pi/16) = 3/2 - Maths - Trigonometric Functions - 13468243 | Meritnation.com Prove that sin^4(pi/16) + sin^4(3 pi/16) + sin^4(5 pi/16) + sin^4(7 pi/16) = 3/2 - Maths - Trigonometric Functions - 13468243 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5c7e6197ccf00.jpg)