229k views
10 votes
Find the pair of acute angles that corresponds to the solution of the equation sin(3x + 11)° = cos(–3x + 79)°

User MarioVilas
by
6.0k points

1 Answer

8 votes

Answer:

x = 8

Explanation:

3x + 2 + 7x + 8 = 90

10x + 10 = 90

10x = 80

x = 8

User Kevinharvey
by
7.1k points
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