If 4sinθ-3cosθ=0 ; then secθ.cosecθ =??
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Answer:
25/12
Step-by-step explanation:
4sinx=3cosx
Squaring both sides
16sin²x=9cos²x
16(1-cos²x)=9cos²x
16-16cos²x=9cos²x
16=25cos²x
cos²x=16/25
cosx=4/5
sinx=3/5
secxcosecx= 1/sinxcosx
=1/3/5*4/5
=25/12
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