Question

give me right answer ​

Answer 1

Step-by-step explanation:

b 2tanO*SinO(1-tanO) + 2SinOSec²O/(1+tanO)²

2SinO { tanO(1-tanO)+Sec²O }/(1+tanO)²

2SinO{tanO-tan²O+1+tan²O}/ (1+tanO)²

2SinO(1+tanO)/(1+tanO)²

2SinO /(1+tanO)

Answer 2

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