If #sin alpha = 4/5# and #cos beta = 4/5#, So which of the following is true? (Options Below)
a)#alpha ltbeta#
b)#alpha gt beta#
c)#alpha = beta#
d)None of the Above
a)
b)
c)
d)None of the Above
1 Answer
Mar 11, 2018
See the answer below...
Explanation:
#sin alpha=4/5#
#cosbeta=4/5" "=>" "sinbeta=3/5#
#=>cos^2beta=16/25#
#=>1-sin^2beta=16/25#
#=>sin^2beta=9/25#
#=>sin beta=3/5#
#color(red)(3/5<4/5#
#=>sin beta < sin alpha#
#=>color(red)(ul(bar(|color(green)(beta < alpha))|#
Hope it helps...
Thank you...
