SOLUTION: Verify the Identity Cos(a-b)/sina*sinb=cota*cotb+1

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Question 1020959: Verify the Identity
Cos(a-b)/sina*sinb=cota*cotb+1
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
Cos(a-b)/sina*sinb=cota*cotb+1
cosacosb + sinasinb/sina*sinb
= cosacosb/sinasinb = cotacotb
As cos/sin = cot
And
+ sinasinb/sinasinb = 1
So, Cos(a-b)/sina*sinb=cota*cotb+1
Hope this helps :-)