Math, asked by pottiswetha06, 9 months ago

Evaluate cot 18°/tan 72°

Answers

Answered by rdxdukeborngenius

1

cot 18 =tan(90-18)=tan 72/tan 72=1

Answered by Anonymous

3

Step-by-step explanation:

3(tan72/tan(90-18))-2(sin54/sin90-36)^3+2 cot 21 cot 13 tan(90-77) tan(90-69)3×1-2×1^3+2 cot21 ...

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