Question

solve it step by step​

Answer 1

Answer:Rs6392.75

Step-by-step explanation:

9/7worth =Rs10116

13/16worth=?

9/7worth =Rs10116

1worth =Rs(10116×7)/9

13/16worth=Rs(10116×7×13)/(9×16)

                =Rs6392.75

Answer 2

Answer:

i need your help

Step-by-step explanation:

(1 + cot theta + tan theta )(sin theta - cos theta) is equal to secant theta upon cosec squared theta minus cosec squared theta upon secant squared theta

Prove it