# Worksheet: Cofunction Identities

Q1:

Find the value of given where .

• A
• B
• C
• D

Q2:

Find all the possible general solutions for the equation .

• A or , where
• B or , where
• C or , where
• D or , where

Q3:

Find the value of given .

• A
• B
• C
• D2

Q4:

Find the general solution of the equation .

• A where
• B where
• C where
• D where

Q5:

Find given where is a positive acute angle.

• A
• B
• C1
• D

Q6:

Find the value of given where .

• A
• B
• C
• D

Q7:

Find the measure of given where is a positive acute angle. Give the answer to the nearest minute.

• A
• B
• C
• D

Q8:

Find the value of given where is the smallest positive angle.

• A
• B
• C
• D

Q9:

Find given where .

• A
• B
• C
• D

Q10:

Find the value of given where .

• A
• B
• C
• D

Q11:

Find all possible solutions of that satisfy .

• A
• B
• C
• D

Q12:

Find the value of given where is a positive acute angle.

Q13:

Find the value of that satisfies where .

• A
• B
• C
• D

Q14:

Find given where is a positive acute angle.

• A
• B1
• C
• D0

Q15:

Find given and where is an acute angle. Give the answer to the nearest degree.

• A
• B
• C
• D

Q16:

Find the value of given , where , and where is the largest angle in the range .

• A
• B
• C
• D

Q17:

Find in degrees given where is a positive acute angle.

Q18:

Find in degrees given where is a positive acute angle.

Q19:

Find the value of given where .

• A
• B
• C
• D

Q20:

Find the value of given where is an acute angle.

• A
• B
• C
• D

Q21:

Find the value of given where .

• A
• B
• C
• D

Q22:

Find the value of given where .

• A
• B
• C
• D

Q23:

Find given where is a positive acute angle.

• A
• B
• C
• D1

Q24:

Find the value of given where .

• A
• B
• C
• D

Q25:

Find the value of given where .

• A
• B
• C
• D
• E0