Math, asked by pritikushari, 2 days ago

from the figure 2 given below, find the value of:

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Answered by Anonymous

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Answer:

okookoookoo okookoookoo

Answered by Anonymous

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Answer:

ii). BD = 21 - 5 = 16

AD = sqrt 169 - 25 =12

AB = 20

cos y = 16 / 20

iii) 1 ( by identity : 1 + cot²@ = cosec²@ )

iv) 5/ (5/13) + 3/( 12/20) - 3( 21/12)

65/5 + 60/12 - 36/ 21 = 138 / 7

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