Question

if secA-tanA=3

then find the value of (5cosA+4cotB)??

jus a hint

Joshi sir comment

First replace cotB by cotA. 

because it is wrongly printed by you.

answer by NIKHIL is correct

Read 1 Solution.

(secA-tanA)(secA+tanA)=1

secA +tanA=1/3

from here u can find secA and tanA.

but there is no way to find cotB

Best SolutionNIKHIL VARSHNEY 12 year ago is this solution helpfull: 1 0

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