JCB credit cards are issued by JCB International Credit Card Co., which is based in Japan and has over 164 million customers worldwide. JCB credit cards used to be available to people in the United States, but JCB discontinued its U.S. operations on . All current JCB credit card accounts have since been closed.
The sum of the first nth term of a geometric series is 145 and the sum of the reciprocal is 145/33. The first term is 1. What is n and the common ratio? Precalculus
The sum of the first nth term of a geometric series is 145 ... - Socratic
First, subtract #color (red) ($145)# from each side of the equation to isolate the #w# term while keeping the equation balanced:
Solve: 1. sin x = 0.5623 2. cos x = 0.8963 3. tan x = -2.89 1. Calculator gives --> sin x = 0.5623 --> x = 34.22 and x = 180 - 34.22 = 145.78 deg. Extended answers: x = 34.22 + k360 deg x = 145.78 + k360 deg 2. cos x = 0.8963 --> x = +- 26.32 deg Extended answers: x = +- 26.32 + k360 deg. 3. tan x = -2.89 --> x = -70.93 and x = -70.93 + 180 = 109.09 deg Extended answers: x = 109.09 + k180 deg
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