bjbarrett23
bjbarrett23
04-05-2017
Mathematics
contestada
Help please trigonometric identities
Respuesta :
akaleti47
akaleti47
04-05-2017
cot=cos/sin
so, it becomes sin^2+cos^2=1
that proves it
Answer Link
bcalle
bcalle
04-05-2017
Sin^2x ( 1 + cot^2x) = 1
Change cot^2x to cos/sin
Sin^2x(1+cos^2x/sin^2x))=1
Distribute the sin^2x
Sin^2x + cos^2x = 1
1 = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 86+ )
Otras preguntas
The sum of the speed of two trains is 722.7 miles per hour. If the speed of the first train is 3.3 mph faster than the second train find the speeds of each
Twelve friends came to Guy’s birthday party. He received seven gifts and a total of $95 in cash for his birthday. He buys an airplane model kit for $9, and he w
What is a number called frontwards and backward like 959
Put these numbers to least to greatest negative 0.9, negative 0.09,negative 0.99!!(Thank you)!!
The pH of human blood is slightly basic. Which of the following is most likely to be the pH of human blood? (A) 10.6 (B) 7.4 (C) 7.0 (D) 6.4 (E) 4.6
The epidermal tissue of a plant prevents _________.
The Nile begins as two separate rivers, the ___________ flowing from eastern Africa and the __________ from central Africa?
Scientists best apply critical thinking in their work through _______. a. the scientific method b. observation c. hypotheses d. experimentation
The Nile begins as two separate rivers, the ___________ flowing from eastern Africa and the __________ from central Africa?
Could life as we know it exist on earth if air contained only oxygen? Explain What would happen to the supply of atp in your cells if you ate to few carbohydrat
