Question

If cosθ = 8/17 , then sinθ = ?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

$\huge\bold{\boxed{\rm{\red{Solution}}}}$

$sin∅ \: = \sqrt{1 - cos^{2}∅ } \\ \\ = \sqrt{1 - ( \frac{8}{17} )^{2} } \\ \\ = \sqrt{1 - \frac{64}{289} } \\ \\ = \sqrt{ \frac{225}{289} } \\ \\ \frac{15}{17}$

$\boxed{\bf{\blue{Formula\:used:Sin²∅+cos²∅=1}}}$