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9. Solve the following Trigonometric equations using the double angle identities on the interval 0 s 6 9. Solve the following Trigonometric equations using the

9. Solve the following Trigonometric equations using the double angle identities on the interval 0 s 6

9. Solve the following Trigonometric equations using the double angle identities on the interval 0 < 2n : a) sin(20) = 2 c) 2cos20+1=o b) 2sin20-3sinO=O d) tan0+ coto = 4sin20

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