Find 2 (cos²60 + sin²30) + (tan²60 +cot²45)
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Given,
2 (cos²60 + sin²30) + (tan²60 +cot²45)
= 2[(1/2)²+(1/2)²]+ [(√3}²+(1)²]
=2[1/4+1/4]+[3+1]
=2[2/4]+4
=2[1/2]+4
=1+4
=5 Ans.
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