Question

If x= (1+ sin A)/cos A
then prove that 1/x = (1 - sin A)/cos A​

Answer 1

Step-by-step explanation:

x =1+sin A/ cosA

1/X = cos A/ 1+sinA

1/X = cos A ×1_sinA

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1+sinA ×1-sinA

1/X= cosA x 1-sinA

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cosA x cosA

1/X = 1-sinA/ cos A