Verify the identity.tan ?(csc ? - sin ?) = cos ?
What will be an ideal response?
tan ?(csc ? - sin ?) = tan ? ? csc ? - tan ? ? sin ? = 
? 
- 
? sin ? = 
- 
= 
= 
= cos ?
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Solve the equation. Use natural logarithms. When appropriate, give solutions to three decimal places unless otherwise indicated.ln e9x = ?
(Give the exact solution.)
A. 
B. 
C. {? - 9}
D. {9?}
Solve the inequality.For the function g(x) = x4 - 81x2, solve g(x) < 0.
A. (-9, 0) ? (9, ?) B. (-?, -9) ? (9, ?) C. (-9, 0) ? (0, 9) D. (-?, -9) ? (0, 9)
Use factoring by grouping to solve the equation.2x3 + 8x2 - 8x - 32 = 0
A. -2, 2, 4 B. -8, -4, 4 C. -4, -2, 2 D. -4, -2, 1
Solve the problem.An aircraft going from Atlanta to Savannah on a heading of N 103° E is traveling at a speed of 650 miles per hour. The wind is out of the north at a speed of 21 miles per hour. Find the actual speed and direction of the aircraft.
A. 646 miles per hour; 105° from north B. 648 miles per hour; 105° from north C. 655 miles per hour; 105° from north D. 916 miles per hour; 104° from north