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30 votes
30 votes
Solve for θ:

sin(θ-70)=cos(θ)

pls help and explain step by step
thank you ​

User JohnTortugo
by
2.5k points

1 Answer

9 votes
9 votes

Answer:

Use this rule : cosx = sin (90 - x)

sin( x -70) = sin (90 - x)

x-70 = 90 - x

2x = 160

x = 80

User Ayeesha
by
2.7k points