Question: rk 8.7 Question 5, 8.7.23 K Express the given sum or difference as a product of 70 130 COS 2 COS 2 70 130 COS

= 0 - 2x sin (40) - sin (20) =0 Select the

correct choice below and, if necessary, fill in the answer box to

rk 8.7 Question 5, 8.7.23 K Express the given sum or difference as a product of 70 130 COS 2 COS 2 70 130 COS 2 COS 2 (Simplify your answer, including any radicals. Use inHW Score: 77.78%, 7 of 9 8.7 Question 9, 8.6.77 points O Points: 0 of 1 Save Solve the equation in the interval 0 = 0 - 2x sin (40) - sin (20) =0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solutions in the interval 0 =0

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