Answer:
27
Step-by-step explanation:
Frome given that:
3cos²π/6 + 3cosec²π/3.secπ/3+sin²4π/3
= 3(3/4) + 3(4/3).3(2)+(3/4)
= 9/4 + 24 + 3/4
= 12/4 + 24 ⇒ 3 + 24 ⇒ 27
hence answer is 27 Note these value:
(cosπ/6 = √3/2)
(cosecπ/3 = 2/√3)
(secπ/3 = 2)
(sin4π/3 = -√3/2)
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Answers & Comments
Answer:
27
Step-by-step explanation:
Frome given that:
3cos²π/6 + 3cosec²π/3.secπ/3+sin²4π/3
= 3(3/4) + 3(4/3).3(2)+(3/4)
= 9/4 + 24 + 3/4
= 12/4 + 24 ⇒ 3 + 24 ⇒ 27
hence answer is 27 Note these value:
(cosπ/6 = √3/2)
(cosecπ/3 = 2/√3)
(secπ/3 = 2)
(sin4π/3 = -√3/2)