if 17 cos A=8 find 15 cosec A-8 sec B
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Step-by-step explanation:first draw a right angle triangle .mark them A,Band C such that they r right angled at B.
Cos A = 8/17= adjacent/hypotenuse
U get the length of 2 sides the find length of the third side by Pythagoras theorem.
289-64=225
which is (15 square)
Now u have length of all the sides then
15 (17/15) - 8(17/8)
=0
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