Question

evaluate : sin 60° +2tan 45° - cos² 30°​

Answer 1

Answer:

2root3+5/4

Step-by-step explanation:

root3/2 + 2 - (root3/2)^2 we know that, sin 60 is root3/2

tan 45 is 1 , cos 30 is root3/2

(root3 + 4)/2 - 3/4

(2root 3 + 8 -3) /4

2root3+5/4

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Answer 2

Answer:

1

Step-by-step explanation:

sin 60 degree=√3/2

tan 45 degree =1

cos 30 degree=√3/2

Solution:-

√3/2^2+2×1-√3/2^2

3/2+2-3/2

3/2-1/2

1

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