Math, asked by dikshasahu00, 5 hours ago

find the value of 9 cosec²A - 9 cot² A​

Answers

Answered by ruvvasarathchandra
3

Answer:

take 9 common

9(cosec^2A-cot^2A)

cosec^2a -cot^2A=1

9(1)=9

Answered by nitukumari89645
0

Step-by-step explanation:

Plane and Spherical Wave

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