TS EAMCET · Maths · Trigonometric Equations
In a if and then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
We have a2+b2a2-b2sin(A-B)=1 ⇒ sin(A-B)=a2-b2a2+b2 ...1 Given, 0<B<45° and ∠C=90° So, 0<A-B<90° ⇒0<sin A-B<1 ⇒ 0<a2-b2a2+b2<1 (from 1)…
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