SOLUTION: Please Help, need step by step if possible
Using the Pythagorean Identities to write the expression as an integer
7 sec^2 y - 7 tan^2 y
Algebra ->
Trigonometry-basics
-> SOLUTION: Please Help, need step by step if possible
Using the Pythagorean Identities to write the expression as an integer
7 sec^2 y - 7 tan^2 y
Log On
Question 941732: Please Help, need step by step if possible
Using the Pythagorean Identities to write the expression as an integer
7 sec^2 y - 7 tan^2 y Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Using the Pythagorean Identities to write the expression as an integer
7 sec^2 y - 7 tan^2 y
-------------------
sin^2 + cos^2 = 1
Divide by sin^2
1 + tan^2 = sec^2
--> sec^2 - tan^2 = 1
