theta = -400 determine sign of sin theta + cos theta
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Answer:
sign is " + "
Step-by-step explanation:
Theta = - 400
sin( - 400) ≈ - 0.64278761
cos( - 400) ≈ 0.7660
- 0.64278761 + 0.7660 > 0 ⇒ sign of sin( - 400) + cos( - 400) is " + "
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