if sin a+ cosec a=2 then sin^2 a +cosec^ a =
Answers
Answered by
2
Answered
If sinA+cosecA=2 then find out.the value of sin^2A + cosec^2A
2
SEE ANSWERS
Log in to add comment
Answer Expert Verified
4.3/5
110
Brainly User
Given
sinA + cosecA = 2
Squaring on both sides
(sinA + cosecA)² = 2²
sin^2A + cosec^2A + 2 sinA cosecA = 4
sin^2A + cosec^2A = 4 - 2 sinAcosecA
WKT cosec A = 1/sinA
sin^2A + cosec^2A = 4 -2
∴ sin^2A + cosec^2A = 2
Similar questions