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2 tan 0 1+tan²0 An identity shows that sin 20 One way of proving this identity is by 2 tan 0 sec²0 using the double-angle problem formula for sine. Further, sin 20 = was derived from the original problem leading to the proof of this identity. What do you think happened along the process of proving the identity? A. The right side was divided by tan²0 and to preserve the equality, the right side was also multiplied by tan²0. B. The right side was divided by cos and to preserve the equality, the right side was also multiplied by cos 0. C. To have an expression in terms of tan ,divide the right side by tan 0. D. To have an expression in terms of cos,divide the right side by cos 0.

2 tan 0 1+tan²0 An identity shows that sin 20 One way of proving this identity is by 2 tan 0 sec²0 using the double-angle problem formula for sine. Further, sin 20 = was derived from the original problem leading to the proof of this identity. What do you think happened along the process of proving the identity? A. The right side was divided by tan²0 and to preserve the equality, the right side was also multiplied by tan²0. B. The right side was divided by cos and to preserve the equality, the right side was also multiplied by cos 0. C. To have an expression in terms of tan ,divide the right side by tan 0. D. To have an expression in terms of cos,divide the right side by cos 0.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 21E
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2 tan 0 1+tan²0 An identity shows that sin 20 One way of proving this identity is by 2 tan 0 sec²0 using the double-angle problem formula for sine. Further, sin 20 = was derived from the original problem leading to the proof of this identity. What do you think happened along the process of proving the identity? A. The right side was divided by tan²0 and to preserve the equality, the right side was also multiplied by tan²0. B. The right side was divided by cos and to preserve the equality, the right side was also multiplied by cos 0. C. To have an expression in terms of tan ,divide the right side by tan 0. D. To have an expression in terms of cos,divide the right side by cos 0.
Transcribed Image Text:2 tan 0 1+tan²0 An identity shows that sin 20 One way of proving this identity is by 2 tan 0 sec²0 using the double-angle problem formula for sine. Further, sin 20 = was derived from the original problem leading to the proof of this identity. What do you think happened along the process of proving the identity? A. The right side was divided by tan²0 and to preserve the equality, the right side was also multiplied by tan²0. B. The right side was divided by cos and to preserve the equality, the right side was also multiplied by cos 0. C. To have an expression in terms of tan ,divide the right side by tan 0. D. To have an expression in terms of cos,divide the right side by cos 0.
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