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Question

$sin θ cos θ tan θ + cos θ cot θ sin θ =$
1
$cot θ$
2
$tan θ$

A

2

B

1

C

tan θ

D

cot θ

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Solution

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The correct option is A 1
Write $tan θ = \frac{s i n θ}{cos θ}$ and $cot θ = \frac{cos θ}{sin θ}$

$s i n^{2} θ + c o s^{2} θ = 1$

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