Which of the following is a correct trigonometric identity?
A
sin(x + y) = sin x cos y + sin...
Mathematics, 16.12.2021 05:20, stefanylopez731
Which of the following is a correct trigonometric identity?
A
sin(x + y) = sin x cos y + sin x sin y
B
cos(x + y) = cos cos y
sin sin y
С
cos(x – y) = cos z sin y + cos z sin y
D
sin(x-y) = sin x cos y + cos x sin y
Answers: 2
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Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.
Answers: 1
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An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years
Answers: 3
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