SOLUTION: Hi I am doing my calculus homework online and I am having problems swith this trig question.
If
sin(x) = 1/3 and sec(y) = 29/21
, where x and y lie between 0 and π/2, eva
Algebra.Com
Question 895958: Hi I am doing my calculus homework online and I am having problems swith this trig question.
If
sin(x) = 1/3 and sec(y) = 29/21
, where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.)
sin(2y)
I have no idea at all how to go about or anything... I tried using the trig identities but I just got more confused.
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
If sin(x) = 1/3 and sec(y) = 29/21
, where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.)
sin(2y)
Solution:
User the double angle identity
sin(2y) = 2[sin(y)][cos(y)]
=
= [Answer]
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