What is 9sin(50pit-2.2) ?

The solution to 9sin(50pit-2.2) is 9(-0.58850…sin(157.07963…t)-0.80849…cos(157.07963…t))

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simplify 9sin(50pit-2.2)

simplify

9 sin (50 π t - 2.2)

9 (- 0.58850 \dots sin (157.07963 \dots t) - 0.80849 \dots cos (157.07963 \dots t))

Solution steps

9 sin (50 π t - 2.2)

Rewrite using trig identities

= 9 (- 0.58850 \dots sin (157.07963 \dots t) - 0.80849 \dots cos (157.07963 \dots t))

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cos (arctan (\frac{- 1}{m g}))

sin (arcsin (a x))

4 sin (12 0^{\circ} - x)

What is 9sin(50pit-2.2) ?
The solution to 9sin(50pit-2.2) is 9(-0.58850…sin(157.07963…t)-0.80849…cos(157.07963…t))