Math, asked by chineng9344, 1 year ago

Find the distance between point (acosA,asinA) and (-asinA,acosA)

Answers

Answered by SunHelpingHand
6

As u know distance formula is √[(y2-y1)²+(x2-x1)²]

So

here distance= √[(acosA-asinA)²+(-asinA-acosA)²]

=√[a²(cosA-sinA)²+a²(cosA+sinA)²]

=a√cos²A-2sinAcosA+sin²A+cos²A+2sinAcosA+sin²A

=a√2(cos²A+sin²A)

=a√2

Answered by raniji
2
I do no answer for this question. sorry
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