What is cos(x/2+0.1) ?

The solution to cos(x/2+0.1) is 0.99500…cos(0.5x)-0.09983…sin(0.5x)

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simplify cos(x/2+0.1)

simplify

cos (\frac{x}{2} + 0.1)

0.99500 \dots cos (0.5 x) - 0.09983 \dots sin (0.5 x)

Solution steps

cos (\frac{x}{2} + 0.1)

Rewrite using trig identities

= 0.99500 \dots cos (0.5 x) - 0.09983 \dots sin (0.5 x)

sin (4 x + \frac{π}{3})

cos (x + π) + 1

sin (v + 36 0^{\circ})

tan (27 0^{\circ} - α)

csc (\frac{3}{2} π - x)

What is cos(x/2+0.1) ?
The solution to cos(x/2+0.1) is 0.99500…cos(0.5x)-0.09983…sin(0.5x)