Question: please show all your work! 4. Given csc ( - A) = -1.48, find sec(-A). 5. Find tan ( 12 ) using sum/difference identities. 6.

please show all your work!

4. Given csc (" - A) = -1.48, find sec(-A). 5. Find tan ( 12 ) using sum/difference identities. 6. Solve the equation: 4 sin(x) - 13 = 2 cos2(x) - 9 on the interval [n, 2x]

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