Simplify the trigonometric expression. sin(theta + pi/2)

Smonusbonus asked Jun 22, 2023

128,722 views

35 votes

Smonusbonus asked Jun 22, 2023

3.1k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

17 votes

We can draw the circle and the angles to see if there is a relation with another function.

From the drawing, we can write the relation:

$\sin (\theta+(\pi)/(2))=\cos (\theta)$

The answer is cos(theta)

Dharmesh Goswami answered Jun 28, 2023

2.6k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers