Cevaplar

2012-12-15T11:11:25+02:00

sing the unit circle, sin 30 + cos 60 - 2tan 45 can be solved as follows:

= sin 30 + cos 60 - 2tan 45
= [1/2] + [1/2] - [2(1)]
= 1 - 2
= -1

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