formula of tan 2A<\/a>,<\/p>\ntan 120 = \\(2 tan 60\\over 1 – tan^2 60\\) = \\(2 \\times \\sqrt{3}\\over 1 – 3\\)<\/p>\n
\\(\\implies\\) tan 120 = \\(-\\sqrt{3}\\)<\/p>\n","protected":false},"excerpt":{"rendered":"
Solution : The value of tan 120 degrees is \\(-\\sqrt{3}\\). Proof : We Know that tan 60 = \\(\\sqrt{3}\\). By using formula of tan 2A, tan 120 = \\(2 tan 60\\over 1 – tan^2 60\\) = \\(2 \\times \\sqrt{3}\\over 1 – 3\\) \\(\\implies\\) tan 120 = \\(-\\sqrt{3}\\)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[43,60],"tags":[],"yoast_head":"\n
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Proof : We Know that tan 60 = (sqrt{3}). 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