Question

Prove that : sec A (1 - sin A) ( sec A + tan A) = 1​

Answer 1

ყσυɾ αɳʂɯҽɾ iʂ iɳ αƚƚαƈԋɱҽɳƚ.

Answer 2

Answer:

1=1

Step-by-step explanation:

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

secA (1- sinA) (1+sinA)secA=

(1-sin2A) sec2A = (a+b) (a-b)= a2-b2)

cos2A×1/cos2A= (1-sin2A)=cos2A)(sec2A=1/cos2A)

1=1 proce that

e

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