Trigonometric Identities

Cosec²θ - cot²θ equals to

• 1

• -1

• 0

• tanθ

1 + tan²θ equals to

• cosec²θ

• sec²θ

• sin²θ

• cos²θ

Sin²θ + cos²θ equals to

• 0

• 0.5

• 1

• 2

Secθcotθ equals to

• sinθ

• 1⁄cosθ

• 1⁄sinθ

• sinθ⁄cosθ

1 + cot²θ equals to

• sec²θ

• sin²θ

• cosec²θ

• cos²θ

(sin30° + cos30°) – (sin 60° + cos60°)

• -1

• 0

• 1

• 2

Tags

CCSS.HSF.TF.C.9

Value of tan30°/cot60° is:

• 1/√2

• 1/√3

• √3

• 1

Tags

CCSS.HSF.TF.C.8

The value of sin θ and cos (90° – θ)

• are same

• are different

• no relation

• insufficient information

Tags

CCSS.HSF.TF.C.8

If sin A + sin² A = 1, then cos² A + cos⁴ A = ?

• 1

• 0

• 2

• 4

Tags

CCSS.HSF.TF.C.8