What are the reciprocal identities of trigonometric functions

The video tutorial explains the reciprocal identities of trigonometric functions, focusing on sine, cosine, and tangent, and their respective reciprocals: cosecant, secant, and cotangent. It begins with a review of basic trigonometric functions and their representation in a right triangle. The concept of reciprocals is clarified with examples, emphasizing the idea of flipping the numerator and denominator. The tutorial then details how each trigonometric function has a reciprocal identity, explaining the relationships between them. The video concludes with a summary of the six reciprocal identities.

Which of the following is the reciprocal of the sine function?

• Tangent

• Cotangent

• Cosecant

• Secant

What is the reciprocal of the fraction 3/4?

• 4/3

• 3/4

• 1/3

• 1/4

If a number is 2, what is its reciprocal?

• 4

• 1/2

• 1

• 2

What is the reciprocal of the secant function?

• Tangent

• Cosecant

• Cosine

• Sine

Which trigonometric function is the reciprocal of cotangent?

• Sine

• Tangent

• Secant

• Cosine