Verify if the following is true: 1/cos^2x+tan^2y = 1/cos^2y+tan^2x

Expert Answers info

justaguide eNotes educator | Certified Educator

calendarEducator since 2010

write12,544 answers

starTop subjects are Math, Science, and Business

We have to prove that 1/cos^2x+tan^2y=1/cos^2y+tan^2x

Now 1/( cos x)^2 + ( tan y )^2 - 1/ (cos y)^2 - (tan x)^2

=> [(sin y)^2/ (cos y)^2] + 1/ (cos x)^2 - 1/ (cos y)^2 - [(sin x)^2/ (cos...

(The entire section contains 364 words.)

Unlock This Answer Now


check Approved by eNotes Editorial


giorgiana1976 | Student

check Approved by eNotes Editorial