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Questions  

If tanθ=43  and  θ  does not lie in the IV quadrant then  5sinθ+10cosθ+9secθ+16cosecθ+4cotθ=

a
0
b
-1
c
1
d
2

detailed solution

Correct option is A

tanθ=−43   and θ∉Q4  then θ∈Q2 sinθ=45  , cosθ=−35  , secθ=−53 , cosecθ=54  , cotθ=−345sinθ+10cosθ+9secθ+16cosecθ+4cotθ=4−6−15+20−3=0.

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