Answer:
Step-by-step explanation:
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The two numbers are 31 and 35.
Step-by-step explanation:
Let,
one number = x
2nd number = y
According to statement;
x+y=66 Eqn 1
y=x+4 Eqn 2
Putting y=x+4 from Eqn 2 in Eqn 1;

The two numbers are 31 and 35.
Keywords: Linear equation, Addition
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Answer:

Step-by-step explanation:
using the 30- 60- 90 triangle for exact values , then
tan60° =
, and
cot60° =
= 
cos60° = 
cot60° cos60°
=
× 
=
← rationalise the denominator by multiplying by 
=
× 
= 