Q145
0 < θ < 90°, tanθ + sinθ =m and tanθ - sinθ = n, where m ≠ n, then the value of m2 - n2 is?
A.
2(tan2θ + sin2θ)
B.
4mn
C.
4
AnswerD.
2(m2 + n2)
Answer: Option C
Solution
Answer: Option C
Solution:
Trigonometry
Competitive Exams · Aptitude · question 145
Q145
Answer: Option C