What is 8.32cos(400t-3.69) ?

The solution to 8.32cos(400t-3.69) is 8.32(-0.85335…cos(400t)-0.52132…sin(400t))

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simplify 8.32cos(400t-3.69)

simplify

8.32 cos (400 t - 3.69)

8.32 (- 0.85335 \dots cos (400 t) - 0.52132 \dots sin (400 t))

Solution steps

8.32 cos (400 t - 3.69)

Rewrite using trig identities

= 8.32 (- 0.85335 \dots cos (400 t) - 0.52132 \dots sin (400 t))

csc (arccot (3 x - 4))

sin (π t + 2 π)

cos (- \frac{nπ}{2})

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

tan^{2} (\frac{π}{2} + x)

What is 8.32cos(400t-3.69) ?
The solution to 8.32cos(400t-3.69) is 8.32(-0.85335…cos(400t)-0.52132…sin(400t))