AP EAMCET · Maths · Trigonometric Ratios & Identities
If and , where then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
It is given that x=sin3θcos2θ y=cos3θsin2θ The summation of x and y is x+y=sin3θcos2θ+cos3θsin2θ =sinθ1-cos2θcos2θ+cosθ1-sin2θsin2θ =sinθ1cos2θ-1+cosθ1sin2θ-1…
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