Pre-Calculus
What is the inverse of matrix A, to the nearest tenth? -2 7 A= 6 -8
Pre-Calculus
Find the inverse of matrix A. .6 -2 A= 6 -18
Pre-Calculus
What is the inverse of matrix C, to the nearest hundredth? 10 -6 C= -12 2
Pre-Calculus
How many terms of the series 12+4+4/3+4/9+..., are needed to yield a sum of 1459/81?
Pre-Calculus
can you explain how you got that?
Pre-Calculus
Express the repeating decimal as a ratio of two integers. 1.23535353535...
Pre-Calculus
Express the repeating decimal as a ratio of two integers. 2.6231313131....
Pre-Calculus
How many terms of the series -6+0+6+12+... are needed to yield a sum of 324?
Trigonometry
sorry, they're all squared θ not 2 θ
Trigonometry
Which of the following is equivalent to 1 − cos 2 θ/cos 2 θ? A. sec2 θ B. (csc 2 θ ) -1 C. tan 2 θ D. sin 2 θ E. –1/sin2 θ
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