1) If tanA=3/2 then the value of cos A is a) 3/√13 b) 2/√13 c) 2/3 d) √13/2 2) Given that sinA=1/2 and cos B=1/2 then the value of (A+B) is a) 0° b) 30° c) 60° d) 90° 3) The value of tan30°/cot60° is a) 1/√2 b) 1/√3 c) 0 d) 1 4) The value of (sin45°+cos45°)is a) 1/√2 b) 1/2 c) √3/2 d) √2 5) If 3 secA-5=0 then cotA is equal to a) 5/3 b) 4/5 c) 3/4 d) 3/5 6) If 4 tanx=3,than cosx+sinx/cosx-sinx is equal to a) 7 b) 1/7 c) -7 d) 1/-7 7) sinA+cosA=√2cosA,(A is not equal to 90°) then the value of tanA is a) √2-1 b) √2+1 c) √2 d) -√2 8) sinA+cosA=√2,then tanA+ cotA= a) 1 b) 2 c) 3 d) 4

trigonometry

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