Establish the identity.sec(2?)= 
What will be an ideal response?
sec(2?) = 
= 
= 
= 
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, 0)} B. no solution; ? C. {(-1, 1)} D. {(-2, 1)}
Use a graphing calculator to solve the equation.8-x = 5.508
A. 0.8205 B. -0.8205 C. -1.8893 D. 0.3732
Find the indicated quantities for the appropriate geometric sequence.A man borrowed $2000 at 10% interest compounded annually. If he paid off the loan in full at the end of 5 years, how much did he pay? Round to the nearest cent.
A. $3000.00 B. $3221.02 C. $1221.02 D. $2200.00
Match the given function to its graph.1) y = sin 2x2) y = 2 cos x3) y = 2 sin x4) y = cos 2xA B
C D
A. 1A, 2D, 3C, 4B B. 1A, 2C, 3D, 4B C. 1A, 2B, 3C, 4D D. 1B, 2D, 3C, 4A