If a cot θ + b cosec θ= p and b cot θ + a cosec θ = q then p2 -q2 is equal to _____
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Q:
If a cot θ + b cosec θ= p and b cot θ + a cosec θ = q then p2 -q2 is equal to _____
- 1true
b2 – a2
- 2false
a2 – b2
- 3false
b – a
- 4false
a2+b2
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