sina COSA – seca + tan A-1 cosecA+CotA-1= 1​

Question

sina
COSA

seca + tan A-1
cosecA+CotA-1= 1​

in progress 0
Ella 1 week 2021-10-04T14:13:00+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-10-04T14:14:16+00:00

    Answer:

    [secA+(tanA)(secA(tanA+1)

    =sec2A-(tan2A-2tanA+1)

    =(1-1)tan 2 A-tan2A+2tan A

    =0+0+2tanA

    =2tan A=2 tan A

    hence verified

Leave an answer

Browse

14:4+1-6*5-7*14:3+5 = ? ( )