cbawesome8
18.10.2021 •
Mathematics
(a) A,B,C,D are the four interior angles, taken in order, of a cyclic quadrilateral. Prove that:
cot(A) + cot(B) + cot(C) + cot(D) = 0.
(b) If cos(x) + sin(x) = m and sec(x) + cosec(x) = n, prove that n(m^2- 1) = 2m.
Help will be greatly appreciated! Will award brainliest :)
Solved
Show answers
More tips
- F Food and Cooking Kick Your Taste Buds Into Gear with This Authentic and Delicious Recipe for Solyanka...
- O Other What happens if you get scared half to death twice?...
- F Family and Home What s That Noise When a Kettle Boils? The Science of Water and Steam...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- W Work and Career How much does an honest traffic police officer earn in a day?...
- F Food and Cooking Red Caviar: How to Choose the Best?...
- S Style and Beauty How to Get Rid of a Bruise: Tips and Tricks...
- H Health and Medicine Is Massage Necessary? Facts and Opinions...
- L Leisure and Entertainment Should You Buy a Ceramic Knife?...
- C Computers and Internet Best Antivirus: How to Choose Protection for Your Computer?...
Answers on questions: Mathematics
- M Mathematics The coordinate m is 2.5 and mn=4. what are the possible coordinates for n...
- M Mathematics Find the slope of the line that passes through these points. (2 2 and (8 8...
- M Mathematics Seven times a number decreased by 18 equals 35...
- M Mathematics What is the solution to the equation 4(3x - 11) + 23 = 5x - 14 ?...
- M Mathematics What are the solutions of the quadratic equation (x – 8)2 – 13(x – 8) + 30 = 0? x = –11 and x = –18 x = –2 and x = 5 x = 2 and x = –5 x = 11 and x = 18...
- M Mathematics The tech ed teacher needs to cut boards for the 6th grade propeller project that are 3/4 feet long.how many propellers can he get out of a board that is 1/2 feet long....
- M Mathematics (a) a color printer prints 15 pages in 5 minutes. how many pages does it print per minute? (b) it takes 34 pounds of seed to completely plant a 6-acre field. how many acres...
- M Mathematics Which of the following coordinates is a solution to the linear equation. y = - 7/9x +4 (-9,3) (-9,-3) (7,-3) (9,-3)...
- M Mathematics Ineed and be available as of right now plz! i need on this portfolio it talks about linear functions. i have pictures below so you know what i mean. message me as soon as...
- M Mathematics In a group of 65 players 11 players play basketball onley and 33 players play cricket and the number of players who play cricket is twice the number of player who play Basketball...
Ответ:
12.8 is the answer.