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6. Given:
`θ = 30°`
`a = 4 cm`
Find: ` sinθ, conθ, tanθ ,b and c`
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`sin30° = 0.5`
`cos30° = 0.866`
`tan30° = 0.577`
`b = 6.932\ cm`
`c = 8\ cm`
`sin30° = 0.5`
`cos30° = 0.866`
`tan30° = 0.577`
`tan30° = a/b` where `a = 4\ cm`
`b = a/(tan30°) = (4\ cm)/0.577 = 6.932\ cm`
`sin30° = a/c ` where `a = 4\ cm`
`c = a/(sin30°) = (4\ cm)/0.5 = 8\ cm`
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