subject
Mathematics, 15.01.2021 18:00 kittykat7315

Prove that ;
cos2A*cos3A-cos2A*cos7A/sin4A*sin3A -sin2A*sin5A = sin7A+sin3A/sinA

ansver
Answers: 2
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
Answer
question
Mathematics, 21.06.2019 18:30
Find the area of the regular hexagon if a side is 20 cm.
Answers: 2
Answer
question
Mathematics, 21.06.2019 19:30
Nikolas calculated the volume of the prism. his work is shown below.
Answers: 1
Answer
question
Mathematics, 21.06.2019 19:30
Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d
Answers: 1
Answer
You know the right answer?
Prove that ;
cos2A*cos3A-cos2A*cos7A/sin4A*sin3A -sin2A*sin5A = sin7A+sin3A/sinA...
Questions
question
Mathematics, 25.03.2020 23:04
4x2 is the GCF of this polynomial. 20x2y + 56x3 – ? Which could be the mystery term? 22x3 24x2y 26x2y
question
Mathematics, 25.03.2020 23:04
Instructions: Answer the questions regarding the coefficient of friction. 9. What would be the normal weight of a chair if the coefficient of fr...
question
Mathematics, 25.03.2020 23:04
26 When three squares are joined at their vertices to form a right triangle, the combined area of the two smaller squares is the same as the are...
question
Chemistry, 25.03.2020 23:04
Convertir 15C en F en química...
question
Mathematics, 25.03.2020 23:04
Mrs. Brown put a wallpaper border around a room that is 10 feet long and 9 feet wide. How long is the wallpaper border?what is the area of the room?...
question
Mathematics, 25.03.2020 23:04
Jane invest a sum of money in a savings account with a fixed annual interest rate of 3.26% compounded countinuously. After 11 years, the balance reach...
question
Mathematics, 25.03.2020 23:04
Mozart's Music Store rents trombones for $34 a month. Bach's Music Store rents trombones for $30 per month plus a yearly fee of $48. Which deal is bet...
question
English, 25.03.2020 23:04
Marathon Training for a marathon takes hard work and perseverance. It is not something you can do on the spur of the moment. Preparing for...
question
Mathematics, 25.03.2020 23:04
Mr brown garden has an area of 160 square feet .How many square feet if the garden is occupied by cabbage?...
question
Mathematics, 25.03.2020 23:04
Bao is a teacher. When she is talking to students one on one, she gently encourages them to express themselves by saying, "Tell me more," "go on," "I...
question
Mathematics, 25.03.2020 23:04
1. At a park, the distance between the swings and the slide is 28 feet. From the monkey bars, the angle between the swings and the slide is meas...
question
Mathematics, 25.03.2020 23:04
The functions, f(x) and g(x) , are shown below. x f(x) -4 7 -2 5 0 3 2 1 4 -1 In two or more com...
question
Chemistry, 25.03.2020 23:04
If equal masses of aluminum and copper are heated with same amount of heat, which would reach the higher temperature? Explain your answer ....
question
Biology, 25.03.2020 23:04
The initial conditions for the Microevolution Gizmo are set such that the initial genotype percentages we 34% DD, 32% Dd, and 34% dd. The fitnes...
question
Business, 25.03.2020 23:04
Total Cost Formula Davis Company has analyzed its overhead costs and derived a general formula for their behavior: $60,000 + $14 per direct labor hour...
question
English, 25.03.2020 23:04
Tracey is researching ways to increase the efficiency of a warehouse security service. While researching, she finds an electronic book that contains i...
question
Mathematics, 25.03.2020 23:04
Anthony spent $34.56 at the shopping mall. Brad was also at the mall. The value of the digit 6 in the amount of money he spent is 100 times more than...
question
English, 25.03.2020 23:04
Has anyone read the book ungifted by Gordon Korman: only answer if you have and willing to help me...
question
Mathematics, 25.03.2020 23:04
Drag the tiles to match each measurement with an equivalent measurement. Tiles may be used once, more than once, or not at all. please hel...
question
Mathematics, 25.03.2020 23:04
Kirby made contributions to a Roth IRA over the course of 35 working years. His contributions averaged $2,000 annually. Kirby was in the 26% tax brack...
More questions: Mathematics Another questions
Questions on the website: 13722361
See results (0)