What is the value of -sin((sqrt(pi/2))^2)*2(sqrt(pi/2)) ?

The value of -sin((sqrt(pi/2))^2)*2(sqrt(pi/2)) is -sqrt(2)sqrt(pi)

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-sin((sqrt(pi/2))^2)*2(sqrt(pi/2))

- sin ((\frac{π}{2})^{2}) \cdot 2 (\frac{π}{2})

- 2 π

Solution steps

- sin ((\frac{π}{2})^{2}) \cdot 2 (\frac{π}{2})

= - sin ((\frac{π}{2})^{2}) \cdot 2 \frac{π}{2}

Rewrite using trig identities:

sin ((\frac{π}{2})^{2}) = 1

= - 1 \cdot 2 \frac{π}{2}

Simplify

- 1 \cdot 2 \frac{π}{2} : - 2 π

= - 2 π

\frac{( 2 \cdot 5 \cdot 4 π \cdot cos ^{2} ( 4 π \cdot 0.3 ) )}{1000}

arcsin (\frac{14.1}{49.5})

2 (1) + cos (1)

arctan (17)

cos (3 0^{\circ} + 12 0^{\circ})

What is the value of -sin((sqrt(pi/2))^2)*2(sqrt(pi/2)) ?
The value of -sin((sqrt(pi/2))^2)*2(sqrt(pi/2)) is -sqrt(2)sqrt(pi)