Shaydenparis
prove:
sin y+tan y/ over /1+ sec y =sin y



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geerky42
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Like this? \(\dfrac{\sin y + \tan y}{1 + \sec y} = \sin y\)

Shaydenparis
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yes

geerky42
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Start with this:
\[ \dfrac{\sin y + \tan y}{1+\sec y} \cdot \dfrac{1\sec y}{1\sec y} \]
Then multiply both fractions together then simplify.

geerky42
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Get it?

Shaydenparis
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yep

geerky42
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Oh, and remember these trigonometry identify: 1−sec²x = −tan²x

geerky42
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Please let me know when you are stuck, ok?

Shaydenparis
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yea im bad at math so im stuck

geerky42
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In what step are you stuck at?

Shaydenparis
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just cant do it