'

  1. C. , .
  2. C. г , , .
  3. I. ̲ Ѳί ֲ?
  4. I.
  5. I. . . ˳ .
  6. III. . г .
  7. IV. '

2

sin a cos a tg a tg a
sin a = sin a
cos a = cos a
tg a = tg a
tg a = tg a
6.

:


= sin x

= cos xan

= tg x = ctg x



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