starting with the right side, which shows the key steps in establishing the identity?

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 3rd, 2015

I use x to denote theta.

since (tanx-secx)^2 =(tanx)^2-2tanx*secx+(secx)^2 , A and B are not correct.

Then check C and D, on the bottom, (cosx)^2=1-(sinx)^2 (due to trig identity: (cosx)^2+(sinx)^2=1) So C is not correct.

so D

Mar 3rd, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Mar 3rd, 2015
...
Mar 3rd, 2015
Mar 26th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer