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If sin A/2 = 1/2(p+1/p) show that cos A=-1/2(p^2+1/p^2)

If sin A/2 = 1/2(p+1/p) show that cos A=-1/2(p^2+1/p^2)
asked 13.4k views
17 votes
If sin A/2 = 1/2(p+1/p) show that cos A=-1/2(p^2+1/p^2)

asked
User JoshNaro
by
8.3k points

1 Answer

10 votes

Explanation:

p-p /pq+1

sin

−1

(

1+p

2

2p

If sin A/2 = 1/2(p+1/p) show that cos A=-1/2(p^2+1/p^2)-example-1
answered
User Jayfessenden
by
7.0k points
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