Trigonometry Question: Solving sin90 + tan45 | Understand the Solution

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SUMMARY

The discussion centers on the evaluation of the expression sin(90°) + tan(45°). The correct values are established as sin(90°) = 1 and tan(45°) = 1, leading to the conclusion that the sum equals 2. A misunderstanding regarding the value of sin(90°) was clarified, emphasizing the importance of referencing the unit circle for accurate trigonometric values.

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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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