Pretest

Question 1

Which of the following is a simpler form of the expression the fraction with numerator sine theta and denominator cosine theta ?

Revolt · Accepted Answer

D: tangent theta

Question 2

If tangent theta is equal to 11 over 60 , what is the value of cotangent theta ?

Revolt · Accepted Answer

D: 60 over 11

Question 3

When cosecant of theta sine of theta is simplified, what is the result?

Revolt · Accepted Answer

C: 1

Question 4

Which results from multiplying the six trigonometric functions?

Revolt · Accepted Answer

D: 1

Question 5

Which function is undefined when theta is equal to pi over 2 radians?

Revolt · Accepted Answer

C: tangent theta

Question 6

Which of the following is a simpler way to write cosine theta over sine theta ?

Revolt · Accepted Answer

A: cotangent theta

Question 7

In triangle RST , angle cap r is equal to 63 degrees , angle cap t is equal to 90 degrees , RS is equal to 23 and ST is equal to 10 point 4 Which ratios are correct?

Revolt · Accepted Answer

D: cosecant 63 degrees is equal to 23 over RT ,  secant 63 degrees is equal to 23 over 10 point 4 , and  cotangent 27 degrees is equal to 10 point 4 over RT

Question 8

If sine theta almost equal to 0 point 3 0 9 0 , what is the approximate value of cosecant theta ? Round to four decimal places.

Revolt · Accepted Answer

D: 3 point 2 3 6 2

Question 9

If cotangent theta is equal to 2 thirds , what is the value of cosecant theta ?

Revolt · Accepted Answer

B: the fraction with numerator square root of 13 and denominator 3; C: 11 thirds

Question 10

Four students wrote statements about cosecant, secant, and cotangent values as shown. Anik The cosecant, secant, and cotangent of an acute angle may be greater than 1 or less than 1. Isabella The cosecant, secant, and cotangent of an acute angle are always greater than 1. Kayla The cosecant and secant of an acute angle are always greater than 1, but the cotangent can be greater than 1, less than 1 or equal to 1. Morris The cosecant and secant of an acute angle may be greater than or equal to 1, but the cotangent of an acute angle is always less than 1. Which student is correct?

Revolt · Accepted Answer

A: Anik

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