Know me in trigo

What is the value of sin π\2?

• 1

• 0

• √3/2

• -√2/2

What is the value of cos (0°)?

• 0

• 1

• √3/3

• -1

The secant function is the reciprocal of ________________?

True or False: The sine of an angle in a right triangle is the ratio of the length of the opposite side to the length of the hypotenuse.

• True

• False

What are the primary functions in trigonometry?

• Sine, Cosine

• sinn, cos , tan, csc, sec,cot

• sine, cosine, tangent

• Sine, tangent cotangent