Question

4 cos square 60 degree + 4 tan square 45 degree minus sin square 30 degree​

Answer 1

Answer:

9/2 = 4.5

Step-by-step explanation:

(4 cos²60° + 4 tan²45° - sin²30°)

=> { (4× (1/2)² ) + 4×(1²) - (1/2) }

=> { (4×(1/4) ) + 4 -1/2 }

=> 1+4-(1/2)

=> 5-(1/2)

=> 9/2 = 4.5

Answer 2

Answer:

Hey mate your answer is 9

Step by Step explaination is:

tan²60°+4Cos²45°+3Sec²30°+5Cos²90°

____________________________________

Cosec30°+Sec60°-Cot30°

→ (√3)²+4{ 1 }² +3{ 2 } +5{0}²

____ ___

√2 √3

_____________________________

2+2-(√3)²

→ 3+4 { 1 } +3{ 4 }

___ ___

2 3

______________________________

4 - 3

→ 3+2+4

____________

1

→ 9

______

1

→ 9 is the required answer for your question