sin

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Question		Answer
sin30 start learning		1/2
cos30 start learning		√3/2
tg30 start learning		√3/3
ctg30 start learning		√3
sin45 start learning		√2/2
cos45 start learning		√2/2
tg45 start learning		1
ctg45 start learning		1
sin60 start learning		√3/2
cos60 start learning		1/2
tg60 start learning		√3
ctg60 start learning		√3/3
sin²a + cos²a start learning		1
sin a/cos a start learning		tg a
cos a/sin a start learning		ctg a
tg a • ctg a start learning		1

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