Is cos(θ)=sin(θ+pi/2) ?

The answer to whether cos(θ)=sin(θ+pi/2) is True

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prove cos(θ)=sin(θ+pi/2)

prove

cos (θ) = sin (θ + \frac{π}{2})

True

Solution steps

cos (θ) = sin (θ + \frac{π}{2})

Manipulating right side

sin (θ + \frac{π}{2})

Rewrite using trig identities

= cos (θ)

We showed that the two sides could take the same form

\Rightarrow True

cos^{3} (x) = sin (x)

sin (θ) = - \frac{5}{12}

tan (\frac{π}{3}) = 3

\frac{1 + tan ^{2} ( x )}{sec ( x )} = sec (x)

sec (0) sin (0) = tan (0)