Which of the following is a correct trigonometric identity?
A
sin(x + y) = sin x cos y + sin...
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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
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Answers: 2
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