chuky1325
20.09.2019 •
Mathematics
Cot x sec4x = coy x + 2 tan x + tan3x
Solved
Show answers
More tips
- L Legal consultation How to Properly Inherit: Tips and Recommendations...
- H Health and Medicine Discover the Hidden Principles and Real Results of the Japanese Diet...
- H Health and Medicine Understanding Pregnancy Tests: What You Need to Know?...
- H Health and Medicine What Makes a Man a Man?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
Answers on questions: Mathematics
- M Mathematics If Free Yer Assets Bank (FYAB) will give you 0.25% compounded quarterly and I.M.A.Q.T.π bank will give you 0.23% interest compounded continuously, which is offering the better deal...
- M Mathematics The triangles abc and dfg are similar and the ratio of their corresponding sides is 6: 5. the area of the triangle abc is greater than the area of the triangle dfg by 77 cm2. find...
- C Chemistry Tony recorded data from his chemistry experiment in the following table. sample color volume temperature mass a yellow 150 ml 20°c 40.1 g b red 125 ml 20°c 15.2 g c clear 175 ml 20°c...
- M Mathematics Find the value of -7 + 3(-12) ÷ (-3)....
Ответ:
Step-by-step explanation:
Simplify RHS
Cotx +2tanx+tan^3x
Cotx/sinx+2(sinx/cosx)+sin^3x/cos^3x
Taking LCM
(cos^4x+2sin^2xcos^2x+sin^4x)/sinx cos^3x
(Cos^2x+sin^2x)^2/sinx cos^3x
(1/sinx cos^3x)
(1/sinx cos^3x)*(cosx/cosx)
Cotx sec^4x
LHS=RHS
Hence proved
Ответ:
C
goodluck!! wait other answer