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Use the fact that the trigonometric functions are periodic to find the exact value of each expression. Don't use a calculator. This is NOT MULTIPLE CHOICE!!

a. sin (405°)

b. cot (390°)

c. cos (33π/4)

d. sec (17π/4)

c. ​
Answer
5 (3 оценки)
5
MisterBrainly 6 months ago
Светило науки - 2681 ответа - 0 помощи

#2

#3

#4

Answer
5 (2 оценки)
3
semsee45 6 months ago
Светило науки - 3810 ответа - 0 помощи

Answer:

Step-by-step explanation:

Trig identities used:

Standard trig angles

Question a

             

             

             

Question b

             

             

             

             

             

Question c

                 

                 

                 

Question d

                 

                 

                 

                 

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