If -7-8- the value of 2- is

The correct option is A 49/64cot^2θ = (7/8)^2= 49/64 ...

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Standard IX

Mathematics

Values of Trigonometric Ratios

If θ=7/8, the...

Question

$I f c o t θ = \frac{7}{8}, t h e v a l u e o f c o t^{2} θ i s$

\frac{49}{64}

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\frac{7}{64}

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\frac{49}{8}

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Solution

The correct option is A $\frac{49}{64}$
$c o t^{2} θ = {(\frac{7}{8})}^{2} = \frac{49}{64}$

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If cotθ = 78, the value of cot2θ is

The correct option is A 4964cot2θ=(78)2=4964

$I f c o t θ = \frac{7}{8}, t h e v a l u e o f c o t^{2} θ i s$

The correct option is A $\frac{49}{64}$
$c o t^{2} θ = {(\frac{7}{8})}^{2} = \frac{49}{64}$