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Question : If $\cos\theta = \frac{35}{37}$, then what is the value of $\cot \theta$?

Option 1: $\frac{12}{35}$

Option 2: $\frac{35}{12}$

Option 3: $\frac{37}{12}$

Option 4: $\frac{12}{37}$


Team Careers360 13th Jan, 2024
Answer (1)
Team Careers360 15th Jan, 2024

Correct Answer: $\frac{35}{12}$


Solution : Given: $\cos \theta = \frac{35}{37}$,
$\cos\theta = \frac{\text{Base}}{\text{Hypotenuse}}$
Let base = 35k and hypotenuse = 37k

Using Pythagoras theorem,
$AB =\sqrt{(37k)^{2}-(35k)^{2}} = 12k$
$\therefore\cot \theta = \frac{\text{Base}}{\text{Perpendicular}}$ = $\frac{35}{12}$
Hence, the correct answer is $\frac{35}{12}$.

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