1.

Find the value of tanB and cosecB from the given right angled triangle if XZ=13 and YZ=12

Answer»

To find: Length of YZ.According to Pythagoras Theorem,XY2 = XZ2 + YZ2132 = 122 + YZ2169 = 144 +YZ2169 - 144 = YZ225 = YZ2∴ YZ = √25cm √5x5 = 5 cm



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