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cosec square60 degrees +sec square30 degree+cossquare45degree

cosec square60 degrees +sec square30 degree+cossquare45degree
 

Grade:8

1 Answers

Manika gupta
askIITians Faculty 43 Points
2 months ago
Dear Student,
please see your solution below,

cosec^2 60 + sec^2 30+ cos^2 45
= 2/√ 3 * 2/√ 3 +2/√ 3 * 2/​√ 3 + 1/√2*1/√2
=4/3 +4/3 + 1/2
=19/6

Askiitian expert

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