Question

Find the value of tan square 60°+3 cos square 30°

Answer 1

tan²60° + 3 cos²30°

= ( √3 )² + 3 × ( √3 / 2 )²

= 3 + 3 × 3 / 4

= ( 12 + 9 ) / 4

= 21/4. [ • Required Answer ]

_______________

Where ,

tan60° = √3

cos30° = √3 / 2

Answer 2

tan^2(60) = √3^2

= 3

cos^2(30) = (√3/2)^2

= 3/4

so

tan^2(60)+3cos^2(30) = 3+3*3/4

= 3+9/4

= 21/4 ans
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