CBSE Class X HOTS Questions of Mathematics (Trigonometry)
Class X : HOTS Question Answers: Math Unit – 6 (Trigonometry)
1. If xcosθ – ysinθ = a, xsinθ + ycos θ = b, prove that x2+y2=a2+b2.
2. Prove that sec2θ+cosec2θ can never be less than 2.
8. If A, B are acute angles and sinA= cosB, then find the value of A+B.
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