How to convert 50 years into seconds
2 answers:
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Answer:
Step-by-step explanation:
We know by definition that the cosine is an even function, therefore
We also know that the sin is an odd function, therefore
By definition:
Then:
Using these trigonometric properties we can simplify the expression
Answer:
-
Step-by-step explanation:
← evaluate numerator and denominator
=
=
= -
Answer:
(B) 39
Step-by-step explanation:
From the given figure, it can be seen that the two chords are intersecting each other at O and the measure of arc AB is 53 and the measure of arc CD is 25.
Using the property, angle formed by two chords is equal to half the sum of the intercepted arcs, we have
Substituting the given values, we get
Thus, the value of x is 39 and option (B) is correct.