formula to find the exact value: √2+√A 2 then Use the product-to-sum If 2sin 52.5° sin 97.5° = A =

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 65E
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Use the
product-to-sum
If 2sin 52.5˚ sin 97.5°
A =
formula to find the exact value:
√2+√A
-, then
2
Transcribed Image Text:Use the product-to-sum If 2sin 52.5˚ sin 97.5° A = formula to find the exact value: √2+√A -, then 2
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