Advertisements
Advertisements
Question
If sin α + cosβ = 1 and α= 90°, find the value of 'β'.
Sum
Advertisements
Solution
sin α + cos β = 1
⇒ sin 90° + cos β = 1
⇒ 1 + cos β = 1
⇒ cos β = 0
⇒ cos β = cos 90°
⇒ β = 90°.
shaalaa.com
Trigonometric Equation Problem and Solution
Is there an error in this question or solution?
