Answer:
option b
Step-by-step explanation: cause i know it.
Answer: what are you asking?
Step-by-step explanation: can't detemrine contents of question ERROR>
Answer:
<h2>

</h2>
Step-by-step explanation:
<h3>
÷ 
=

÷

=

</h3>
Notice that 38 and 52 make a total of 90
sinA=cos(90-A)
sin38=cos52, therefore the answer is zero