Question

cot A + tan B upon cot b + 10 is equal to COT a multiply 10 b ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer

L.H.S

cotA + tanB / cotB + tanA

=> $(cotA + 1/cotB) / (cotB + 1/cotA)$

=> $(cotAcotB + 1) / cotB / (cotAcotB + 1) / cotA$

=> $cotA / cotB$

=> $cotA / tanB$  

R.H.S

L.H.S = R.H.S (Verified)