1.

The product of the perpendiculars drawn from the points \[(\pm \sqrt{{{a}^{2}}-{{b}^{2}},}0)\] on the line\[\frac{x}{a}\cos \theta +\frac{y}{b}\sin \theta =1\], is

A. \[{{a}^{2}}\]
B. \[{{b}^{2}}\]
C. \[{{a}^{2}}+{{b}^{2}}\]
D. \[{{a}^{2}}-{{b}^{2}}\]
Answer» C. \[{{a}^{2}}+{{b}^{2}}\]


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