CBSE BOARD X, asked by gagan156695, 1 year ago

B
49. In the given figure, all the sides of a quadrilateral ABCD touch a circle with centre 0. Prove that an
AOB + angle COD= 180°
March - 2019 (3 Marks)
R
A PB
no
un the tangents in a circle with centre
. If angle P=-angle O. Find

Answers

Answered by lovishkhanna

Explanation:

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if A and B are acute angles such that $tan \: a \: = \: \frac{1}{3} \\ \\ tan \: b \: = \: \frac{1}{2}$ and Tan(A + B) = $\frac{tan \: a \: + \: tan \: b}{1 \: - \: tan \: a \: tan \: b}$ Show that ,A + B = 45...