Use the fundamental identities and appropriate algebraic operations to simplify the expression.1 - 
A. cot x
B. tan x
C. 0
D. sin x
Answer: D
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Determine the real solutions to the system of nonlinear equations.4x2 - 4y2 = 484x2 + 2y2 = 72
A. (4, 2), (-4, 2), (4, -2), (-4, -2) B. (4, -2), (4, 2) C. (4, 2), (2, 4), (-4, -2), (-2, -4) D. (-4, -2), (-2, -4)
Find the square.(7a - 11)2
A. 49a2 - 154a + 121 B. 49a2 + 121 C. 7a2 - 154a + 121 D. 7a2 + 121
Provide an appropriate response.If an angle ? has undefined tangent, what other function value of ? is also undefined?
A. cotangent B. cosine C. secant D. cosecant
Solve the problem.Sue drove her car 296 miles in January, 266 miles in February, and 410 miles in March. If her average mileage for the four months from January to April is to be at least 336 miles, how many miles must she drive in April?
A. at least 327 miles B. at least 372 miles C. at most 372 miles D. at most 336 miles