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Sin (9x-7) = cos (4x-10) what is x​

Sin (9x-7) = cos (4x-10) what is x​
asked 130k views
23 votes
Sin (9x-7) = cos (4x-10) what is x​

asked
User Grims
by
8.8k points

1 Answer

10 votes

Answer:

sin(9x-8) = cos(4x+7)

sin(9x-8) = sin(90-(4x+7))

sin(9x-8) = sin(83-4x)

9x-8 = 83 - 4x

13x= 91

x=7°

Explanation:

tell me if im wrong

answered
User Andrew Kulakov
by
8.4k points
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