Question

1/sec - tan -1/cos =1/cos - 1/sec +tan

Answer 1

Answer:

convert tan(A/2) into sin/cos form

1+secA=2cos2(A/2)/cosA

1+sec2A=2cos(A)/cos2A

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and 2Sin(A/2)cos(A/2) becomes sinA

and convert all into same form simplify it you will get

the final answer as Tan2nA

mark my answer as brainliest

Answer 2

Answer:

Step-by-step explanation: