21. sing= - 22. secx=7 23. 2 sin +3sin w+1=0 24. 2 cost+cost=1 25. 4.cos(X) - 4 = 15cos(x) 26. 12 sinº (1)+cos(t)- 6 = 0
Find all solutions on the interval [0,21). Some answer might be able to be given exact, if not, give the answer approximated to four decimal places.
21. sing= - 22. secx=7 23. 2 sin +3sin w+1=0 24. 2 cost+cost=1 25. 4.cos(X) - 4 = 15cos(x) 26. 12 sinº (1)+cos(t)- 6 = 0
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21. sing= - 22. secx=7 23. 2 sin +3sin w+1=0 24. 2 cost+cost=1 25. 4.cos(X) - 4 = 15cos(x) 26. 12 sinº (1)+cos(t)- 6 = 0
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