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1.

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If $\angle AOP$ = $50^{0}$, then what is the value (in degrees) of $\angle APB$?1). 602). 803). 904). 100

Answer»

is OPTION 2 is the CORRECT ANSWER?? am i RIGHT?

2.

What is the simplified value of $\sqrt{\frac{cosecA-1}{cosecA+1}}$1). cosec A2). sec A ? tan A3). $cosec^{2}A$4). tan A ? cosec A

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Its TOUGH but OPTION 2 SEEMS CORRECT