If j = 90° – q, what is the value of sin2 j + sin2 q?
a. 0
c. -1
b. 1
d. The answer depends on q.
B
Physics & Space Science
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Sulfur has an atomic number of 16. What would be the valence number of this element?
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An alternate equation for power in an electric circuit is P = IR
a. True b. False Indicate whether the statement is true or false
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Because they all involve formation of iron in cores of massive stars, all type II supernovae are equally luminous
Indicate whether the statement is true or false
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The major difference in the composition of Earth's atmosphere compared to the atmospheres of Venus and Mars is a direct consequence of
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