This question is from trigonometry topic – trigonometric identities in which we have to prove that √(1+sinθ)/(1-sinθ) = secθ+tanθ RS Aggarwal, Class 10, chapter 13A, question no 21(i)
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This question is from trigonometry Topic – trigonometric ratios on complementary angles We have to prove that tan48°tan23°tan42°tan67° = 1 RS Aggarwal, Class 10, chapter 12, question no 3(vi).
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This question is from trigonometry Topic – Trigonometric ratios on. complementary angles We have to prove that sec70°sin20° + cos20°cosec70° = 2 without using trigonometric tables RS Aggarwal, Class 10, chapter 12, question no ...
