If A+B+C=180°,then prove that;sin2A-sin2B+sin2C=4cosA. sinB. cosC
(related to trigonometry)...
Mathematics, 05.10.2020 14:01 rebecabosca
If A+B+C=180°,then prove that;sin2A-sin2B+sin2C=4cosA. sinB. cosC
(related to trigonometry)
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
Answers: 2
Mathematics, 22.06.2019 00:00
Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?
Answers: 2
Mathematics, 22.06.2019 03:00
Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.
Answers: 2
You know the right answer?
Questions
Business, 12.04.2021 22:30
History, 12.04.2021 22:30
Mathematics, 12.04.2021 22:30
Mathematics, 12.04.2021 22:30
Mathematics, 12.04.2021 22:30
Mathematics, 12.04.2021 22:30
History, 12.04.2021 22:30
English, 12.04.2021 22:30
Computers and Technology, 12.04.2021 22:30
Business, 12.04.2021 22:30
Mathematics, 12.04.2021 22:30
