2cot²30°-2cos²60°-3/4din²45°-4sec²30°=-5/24
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Answered by
2
Answer:
Step-by-step explanation:
2×(√3)^2-2×(1÷2)^2-3/4(1/√2)^2-4(√3/2)^2
2*3-1/2-3/16-3
6-5/16-3
3-5/16
43/16
hope it helps
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Answered by
2
Answer:
Step-by-step2×(√3)^2-2×(1÷2)^2-3/4(1/√2)^2-4(√3/2)^22*3-1/2-3/16-36-5/16- ... 2cot²30° - 2 cos²60° _ 3/4 sin²45° - 4 sec² 30° = -5/4. 1
explanation:
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