A) \[h(\cot \,y+\cot \,x)\]
B) \[h(tan\,x+tan\,y)\]
C) \[h(1+tan\,x\cot \,y)\]
D) \[h(tan\,y\cot \,x+1)\]
Correct Answer: C , D
Solution :
Let \[PQ=H\] Then from \[\Delta \,ABP,\] \[AP=h\,\cot \,y\] ??.(i) From \[\Delta \,BMQ,\,\frac{H-h}{BM}=\tan x\] or \[H-h=AP\,\tan x\] [since \[AP=BM\]] From equation (i), \[H=h\,\cot y.\tan x\] \[=h[1+\tan c.\cot y]\]Solution :
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