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Zad. 2. (6p.) Oblicz: a) 2cos600° + ctg45° + 3sin30° b) (sin60° + cos60º) (sin60°- cos60°) c) 4tg²60°- ctg²60°

Zad. 2. (6p.) Oblicz: a) 2cos600° + ctg45° + 3sin30° b) (sin60° + cos60º) (sin60°- cos60°) c) 4tg²60°- ctg²60°
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Zad. 2. (6p.) Oblicz:

a) 2cos600° + ctg45° + 3sin30°
b) (sin60° + cos60º) (sin60°- cos60°)
c) 4tg²60°- ctg²60°

asked
User Paulo Fernando
by
7.8k points

1 Answer

4 votes

Answer:

Step-by-step explanation: 4tg²60° - ctg²60° is 35/3.

answered
User Simon Wright
by
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