Answer question with let statement and solve it also please

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle