Question 1201262
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a leader inclined at an angle of 36° to the horizontal leans against a vertical pole. 
if the leader is 7m away from the foot of the pole, calculate the length of the leader
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<pre>
    In a right-angled triangle, you are given a leg and the adjacent acute angle.
    The hypotenuse is an unknown.


    The hypotenuse is the leg divided by the cosine of the adjacent angle.
</pre>

Memorize this rule and do as instructed.