Question

4 cot 45° - 5 sec^2 60° + sin 30°​

Answer 1

Step-by-step explanation:

your answer in attachment

Answer 2

Answer:

-31/2

Step-by-step Explanation:

4 cot 45° - 5 sec^2 60° + sin 30°

cot 45° = 1

sec 60° = 2

sin 30° = 1/2

= 4(1) - 5(2)^2 + 1/2

= 4 - 5(4) + 1/2

= 4 - 20 +1/2

= -16 + 1/2 ( LCM = 2 )

= -16×2/2 + 1/2

= -32/2 + 1/2

= -31/2 is the answer.

• Hope it helps you.

• Mark me as brainliest.