Question
If x=sin(2tan−12),y=sin(12tan−143) then
Answer: Option D
:
D
Let tan−12=α⇒x=sin2α=45y=sin(β2)=√1−cosβ2=√1−352=1√5
Was this answer helpful ?
:
D
Let tan−12=α⇒x=sin2α=45y=sin(β2)=√1−cosβ2=√1−352=1√5
Was this answer helpful ?
More Questions on This Topic :
Question 1. 12cos−1(1−x1+x)=....
Question 2. The value of tan(tan−112−tan−113)=....
Question 3. If sin−135+cos−1(1213)=sin−1 C,then C=....
Question 4. If sin−135+cos−1(1213)=sin−1 C,then C=....
Question 6. The value of cos−1(cos10)=....
Question 7. If 2tan−1x=sin−12x1+x2, then:....
Question 10. The value of tan2(sec−13)+cot2(cosec−14) is....
Submit Solution