: 2cot245° + sin230°-cos260 •
Answers
Answered by
1
Answer:
Step-by-step explanation:
Given that,
2 cot² 45° + sin² 30° - cos² 60°
= 2 ( 1 )² + ( 1/2)² - ( 1/2)²
= 2+ 1/4 - 1/4
= 2 is the answer.
Similar questions