Question

prove sin i ÷ sin r × sin r ÷ sin i ×
Sin i ÷Sin r​

Answer 1

Answer:   sin i /sin r

Explanation:

sin i /  sin r  x  sin r /  sin i   x    Sin  i /  sin r

and by taking the first two terms , cancel the sin i with sin i and sin r with sin r

then the remaining two terms which are left , I.e sin i / sin r.

hence the answer is sin i / sin r

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