Solve for θ: sin(θ-70)=cos(θ) pls help and explain step by step thank you

asked May 26, 2022 47.8k views

4 votes

Solve for θ:

sin(θ-70)=cos(θ)

pls help and explain step by step
thank you

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6 votes

Answer:

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

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

x-70 = 90 - x

2x = 160

x = 80

Edelcom answered May 30, 2022

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