pythagorean identities

Question 1

sin^2 x + cos^2 x =

Answer 1

1

Question 2

1 - sin^2 x =

Answer 2

cos^2 x

Question 3

1 - cos^2 x =

Answer 3

sin^2 x

Question 4

1 + tan^2 x =

Answer 4

sec^2 x

Question 5

sec^2 x -1 =

Answer 5

tan^2 x

Question 6

sec^2 x - tan^2 x =

Answer 6

1

Question 7

1 + cot^2 x =

Answer 7

csc^2 x

Question 8

csc^2 - 1 =

Answer 8

cot^2 x