Question

4/5tan² 60°+ 3sin² 60°​

Answer 1

Answer:

2.52

Step-by-step explanation:

4 / 5 tan²60⁰ + 3 sin 60⁰

= 4 / 5 × ( root of 3 )² + 3 × ( ( root of 3 ) / 2 )²

= 4 / ( 5 × 3 ) + 3 × ( 3 / 4 )

= 4 / 15 + 9 / 4

= ( 16 + 135 ) / 60

= 151 / 60

= 2.516

= 2.52.

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