2010 · Q46
If sin θ+cos θ= 1, then what is the value of sinθ cos θ?
Elementary MathematicsTrigonometry
- A2
- B0
- C1
- D½
Explanation
Squaring gives 1+2sinθcosθ=1, so sinθcosθ=0.
If sin θ+cos θ= 1, then what is the value of sinθ cos θ?
Explanation
Squaring gives 1+2sinθcosθ=1, so sinθcosθ=0.