Question

5 cos²30 + 8cos³60 - 5 Sin30/
4cos² 45 + 7cot²45​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

5*(1/ root over of 2) ^2+8*(1/2)^3-5*1/2

/

4*1/(root over of 2)^2+7*1

=5*1/2+8*1/8-5/2

/

4*1/2+7

=5/2+1-5/2

/

2+7

=1/9 (ans)

HOPE YOU UNDERSTAND IT