Prove that (sin(α-β))/(cosαcosβ)+(sin(β-γ))/(cosβcosγ)+(sin(γ-α))/(cosγcosα)=0

Name: Problem 68, Chapter 8: Precalculus
Uploaded: 2020-07-28T02:31:21-08:00
Duration: 1 min 34 s
Channel: Subhadeepta Sahoo
Description: Prove that (sin(α-β))/(cosαcosβ)+(sin(β-γ))/(cosβcosγ)+(sin(γ-α))/(cosγcosα)=0

Question

Subhadeepta Sahoo · Accepted Answer

step 1 In this question we need to evaluate that even expression. Now sine alpha minus beta will be sin

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