Question

(a) If 5 cot A =12, find the value of cosec A + cosA
answer please very important​

Answer 1

Answer:

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Answer 2

5 cot A = 12

cot A = 12/5 = P/B (P = 12, B = 5)

H² = P² + B²

H² = 12² + 5²

H² = 144 + 25

H² = 169

H = √169

H = 13

cosec A = H/P = 13/12 , cos A = B/H = 5/13

cosec A + cos A

= 13/12 + 5/13

= (169 + 60)/ 156

= 229/156

= 1.46