- 1 2 Tan A 12 If Sin X A Cos X A Prove That Tan X 1 13 If X Cos Cos 20 And Y Sin Sin20 Show That 1 (11.58 KiB) Viewed 41 times
1-2 tan a 12. If Sin( x-a)=Cos( x + a); prove that : tan x=1. 13. If x= Cos + Cos 20 and y = Sin + Sin20 . Show that :
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1-2 tan a 12. If Sin( x-a)=Cos( x + a); prove that : tan x=1. 13. If x= Cos + Cos 20 and y = Sin + Sin20 . Show that :
1-2 tan a 12. If Sin( x-a)=Cos( x + a); prove that : tan x=1. 13. If x= Cos + Cos 20 and y = Sin + Sin20 . Show that :