Pythagorean Identity Slides

1 - sin²x = ?

• tan² x

• cos² x

• cot² x

• csc² x

cos²x = ?

• sin² x

• tan² x

• cot² x

• csc² x

• 0.265

• -0.265

• 0.735

• -0.735

Solve the following for cos²θ:
sin²θ + cos²θ = 1

• cos²θ = 1 - sin²θ

• cosθ = 1 + sin²θ

• cosθ = 1 - sinθ

• cos²θ = Adj/hyp

*

• tan² x

• cos² x

• cot² x

• csc² x

Which of the following is not a pythagorean identity?

• cot²x + 1 = csc²x

• csc²x + 1 = cot²x

• cot²x - csc²x = -1

• csc²x - cot²x = 1

Which of the following is NOT a Pythagorean identity?

sin²x + cos²x =

• 1

• 1/sinx

• sec²x

• csc²x

*

• sin² x

• tan² x

• cot² x

• csc² x

what is the formula for finding the hypotnuse?

• a²⁺b²=c²

• a+b=c

• a-b=c

• c-a=c