Question

If $x\cos \theta -y\sin \theta =P$, find the value of $x\sin \theta$ $+y\cos \theta =?$

• A. $\sqrt{x^2+y^2+P^2}$
• B. $\sqrt{x^2+y^2-p^2}$
• C. $-\sqrt{x^2+y^2-P^2}$
• D. Both (b) and (c)

Answer 1

Answer: (B), (C), (D)

Correct answer is (b) $\sqrt{x^2+y^2-p^2}$ Correct answer is (c) $-\sqrt{x^2+y^2-P^2}$ Correct answer is (d) Both (b) and (c)