Mathematics · Trigonometry

दिया गया है कि A और B दूसरे चतुर्थांश (second quadrant) के कोण हैं, sin A = 1 3 और sin B = 1 5 है, तो cos(A − B) का मान ज्ञात कीजिए।

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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8√3 + 1 15

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दिया गया है कि A और B दूसरे चतुर्थांश (second quadrant) के कोण हैं, sin A = 1 3 और sin B = 1 5 है, तो cos(A &minus; B) का मान ज्ञात कीजिए।