What is 2.5cos(1.4t+0.7) ?

The solution to 2.5cos(1.4t+0.7) is 2.5(0.76484…cos(1.4t)-0.64421…sin(1.4t))

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simplify 2.5cos(1.4t+0.7)

simplify

2.5 cos (1.4 t + 0.7)

2.5 (0.76484 \dots cos (1.4 t) - 0.64421 \dots sin (1.4 t))

Solution steps

2.5 cos (1.4 t + 0.7)

Rewrite using trig identities

= 2.5 (0.76484 \dots cos (1.4 t) - 0.64421 \dots sin (1.4 t))

4 - (4 cos^{2} (x))

\frac{sin ( x )}{cos ( x )} - ln (x)

tan (θ) + tan (θ + π) + tan (θ + 2 π)

a csc (- 1)

cos (3 x + \frac{π}{2})

What is 2.5cos(1.4t+0.7) ?
The solution to 2.5cos(1.4t+0.7) is 2.5(0.76484…cos(1.4t)-0.64421…sin(1.4t))