ACTIVITY 2: KEEP PRACTICING!
Direction: Solve the following to decipher the mystery word.
1. sin 30° +- cos 450
2. tan 450 + cot 45° + sec 60°
3. tan 30° + tan 60°
4. sin 450 + cos 300
5. tan 30° - cos 300
Hint: It is also called a counting frame, is a calculating tool that was used in the ancient near east, Europe, China, and Russia, centuries before the adoption of the written Arabic numeral system.
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Answer:
The answer is ABACUS
Step-by-step explanation: