Trigonometric Ratios, IIT JEE Solutions, Maths Study Material provides IITJEE Maths, IITJEE Physics and IITJEE Chemistry video study material, lectures and tutorials. This video study material is solving a Trigonometry Ratio problem from JEE 1990 paper. AIEEE, CBSE students can also benefit from IIT JEE Video Tutorials as it contains NCERT solutions as well.

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