This is the basic and conceptual question from trigonometric ratios in which we have given figure of ∆PQR, ∠P = θ° and ∠R = ϕ°. We have to find
(i) √(x+1) cot ϕ
(ii) √(x3 + x2) tan θ
(iii) cos θ
RS Aggarwal, Class 10, chapter 10, question no 33.
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