Question

please solve this question​

Answer 1

From 5 cos a - 12 sin a = 0, it follows that cos a = (12/5) sin a

This makes the question trivial (in the sense that it has nothing to do with trigonometry):

(sin a + cos a) / (2 cos a - sin a)

= (sin a + (12/5) sin a) / ((24/5) sin a - sin a)

= (1 + 12/5) / (24/5 - 1)

= 17/19

Answer 2

Answer:

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