1) If 2 Sin 20 = 3 the value of 0' is A. 90 B. 60 C. 30 D.45
Question no (2)
2) In a circle with centre 'O' AC is a tangent at 'A'. If OC = 4cm then the radius of the circle is A. sqrt 3 cm B. 4 sqrt 3 cm C. 2cm D. 3cm and angle AC
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1st ans.... ans is 30°...
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