TS EAMCET · Maths · Trigonometric Ratios & Identities
If , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
We have, cosθ1+θ2cosθ1-θ2+cosθ3-θ4cosθ3+θ4=0 ⇒cosθ1cosθ2-sinθ1sinθ2cosθ1cosθ2+sinθ1sinθ2+cosθ3cosθ4-sinθ3sinθ4cosθ3cosθ4+sinθ3sinθ4=0…
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