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Sin^2 60 - tan^2 45 + …

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Sin^2 60 - tan^2 45 + cos ^2 30 - cot 90 = _______

Posted by Nandani Jaiswal 5 years ago

CBSE > Class 10 > Mathematics

2 answers

Sandeep A W 5 years ago

Sin²60=(√3/2)²=3/4. Tan²45=(1)²=1. Cos²30=(√3/2)²=3/4. Cot²90=(0)²=0. Sin²60-Tan²45+Cos²30-Cot²90=3/4-1+3/4-0. =3/4-1+3/4. =3-4+3/4. =6-4/4. =2/4. =1/2.

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Palak ? 4 years, 8 months ago

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