Q3. 2 cot2
45° + cos2 30° + sin2 60°
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Answer:
2cot^245°+cos^230°+sin^260°
=2.(1)^2+(√3/2)^2+(√3/2)^2
=2.1+3/4+3/4
=(8+3+3)/4
=14/4
=7/2
=3 1/2
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