Trigonometry

What is the value of tan(45°)?

• a. 1

• b. 0

• c. Undefined

• d. √2

What is the value of cosec(30°)?

• a. 2

• b. √3

• c. 1/2

• d. 1

In a right triangle, if the base is 12 and the opposite is 5, what is the length of the hypotenuse side?

What trigonometric function is this?

What trigonometric function is this?

Which of the following is the Pythagorean identity?

• tan²(θ) + cot²(θ) = 1
• sin²(θ) + cos²(θ) = 1
• sin(θ) + cos(θ) = 0
• sec²(θ) - tan²(θ) = 1

Which function is the reciprocal of sine?

• cosecant
• cosine
• cotangent
• secant