Question

prove that, (secA -1)÷(secA+1)=(1-cosA)÷(1+cosA)​

Answer 1

Answer:

secA=1/cosA.......

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

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

==(1-cosA) (1+cosA) proved....

Explanation:

as we know the sec formula in terms of cos

so we use it, as it seems to be suitable for it

in 4th step cosA is cut by cosA

Answer 2

Answer: shush man

Explanation:

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