If y
sin 45° cos 45° tan 245 -cos 2 30°
then y = - - -?
plz ans this question...
Answers
Answered by
0
Step-by-step explanation:
sin45°=1/root2
cos45°=1/root2
tan245°=2.1..something
cos230°=3/4
1/root2×1/root2×2-3/4
=0.5×2-3/4
=1-3/4
=4-3/4
=1/4
=0.25
Thank you
Answered by
0
Answer:
Y=1
Step-by-step explanation:
y sin45.cos45=sin2(45)-cos2(30)
Y x 1/sqrt X 1/sqrt2=1-1/2
Y/2=1/2
y=1
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