Trigonometry Question: Solving sin90 + tan45 | Understand the Solution

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Homework Help Overview

The discussion revolves around evaluating the expression sin(90°) + tan(45°) within the context of trigonometry. The original poster expresses confusion regarding the correct values of these trigonometric functions and their sum.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants question the values of sin(90°) and tan(45°), with one participant suggesting the use of the unit circle for these values. There is also an acknowledgment of a mistake in the original poster's reasoning.

Discussion Status

The discussion is active, with participants seeking clarification on the trigonometric values and correcting misunderstandings. Some guidance has been provided regarding the correct approach to evaluating the functions.

Contextual Notes

There appears to be confusion regarding the values of the trigonometric functions, particularly with one participant suggesting an incorrect value for sin(90°). This indicates a potential misunderstanding of fundamental trigonometric concepts.

Mejiera
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Homework Statement



sin90degrees +tan45degrees

Homework Equations





The Attempt at a Solution


my answer is 0 but my textbook says its 2. I don't understand how 2 is the answer.
 
Last edited:
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What is sin 90°? tan 45°? How exactly did you get those answers?
 
I am supposed to use the values from the unit circle. so sin90degrees would = -1
 
Really? Make sure you're going in the right direction.
 
oh silly mistake. thanks a lot
 

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