What is cos(pi/2-θ)+cos(θ) ?

The solution to cos(pi/2-θ)+cos(θ) is sin(θ)+cos(θ)

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simplify cos(pi/2-θ)+cos(θ)

simplify

cos (\frac{π}{2} - θ) + cos (θ)

sin (θ) + cos (θ)

Solution steps

cos (\frac{π}{2} - θ) + cos (θ)

Rewrite using trig identities

= sin (θ) + cos (θ)

8.32 cos (400 t - 3.69)

csc (arccot (3 x - 4))

sin (π t + 2 π)

cos (- \frac{nπ}{2})

csc (arctan (\frac{4}{x}))

What is cos(pi/2-θ)+cos(θ) ?
The solution to cos(pi/2-θ)+cos(θ) is sin(θ)+cos(θ)