Question

16.Find the distance between a point (a sin x, a cos x) and origin​

Answer 1

Answer:

ANSWER

Distance between (sinx,cosx) and (cosx,−sinx) is

r=

(sinx−cox)

2

+(cosx−(−sinx)

2

)

=>r=

(sin

2

x+cos

2

x−2sinxcosx)+(cox

2

x+sin

2

x−2sinxcosx)

=>r=

1+1

=>r=

2