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anonymous
 4 years ago
simplify  cos(π−θ)+sin(π/2 +θ)
anonymous
 4 years ago
simplify  cos(π−θ)+sin(π/2 +θ)

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Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1cos(theta)+cos(theta)=2cos(theta)

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1\[\cos(\pi\theta)=\cos \theta\]

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1Also \[\sin(\frac{\pi}{2} +\theta)=\cos \theta\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so the answer would be zero?

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1Depends on what theta is

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1The answer is 2cos(theta) Did you substitute the values in?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0is there supposed to be a neg sign in front of the cos? "simplify cos(piA)"

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0can you help me with this one

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.04sin6α/cos^2 3α−sin^2 3α
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