1.

lfsin θ=, then let us write the value of mby determi

Answer»

sin theta = 4 / 5

hence

cosec theta = 5/4

&

cot theta = ¾

now

cosec theta / (1+ cot theta))

= (5/4) / (1+3/4)

= (5/4) / (7/4)

= 5/7

Liked your style of doing maths



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