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1
Answer:
very simple wait solving now.
Step-by-step explanation:
Proving :
we have , x sin€ = y sin €. ..............(1)...........
then,
x sin€³ + y cos€³ = sin€ cos€
x sin€ sin€² + y cos€ cos€² = sin€ cos€
from (1)..........
x sin€ sin€² + x sin€ cos€² = sin€ cos€
x sin€ sin€² + x sin€ cos€² = sin€ cos
x sin€ ( sin€² + cos€²) = sin€ cos€
x sin€ ( 1 ) = sin€ cos€
x = cos€ .......(2).......
put in (1)
y = sin€
Now,
x² + y² = sin€² + cos€²
x² + y² = 1
Hence prove.
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9
Answer:
see this attachment..........
i hope it's help to you
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