Math, asked by nandinimenon, 8 months ago

sec A-1/ sec A+1 = 1-cos A/ 1+cos A

Answers

Answered by harryoms

2

Answer:

sec A-1/ sec A+1 = 1-cos A/ 1+cos A

it can be easily done by putting sec A = 1/cos A

Answered by shrutinandi10

0

Step-by-step explanation:

secA=1/cosA

secA-1/secA+1

= (1/cosA-1)/(1/cosA+1)

= (1-cosA/cosA)/(1+cosA/cosA)

=(1-cosA/cosA)*(cosA/1+cosA)

=1-cosA/1+cosA

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