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Pie
3 years ago
9

Verifying Trig Functions

Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

Answer:

steps

Step-by-step explanation:

1 -  sin²θ / (1 - cosθ) = 1 - (1 - cos²θ) /(1 - cosθ)

= 1 - (1 + cosθ)(1 - cosθ) /(1 - cosθ)

= 1 - (1 + cosθ)

= - cosθ

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