Question
Download Solution PDFIf a = 45° and b = 15°, what is the value of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
a = 45° and b = 15
Concept used:
a2 - b2 = (a + b)(a - b)
(a - b)2 = a2 - 2ab + b2
Calculation:
(a - b) = 45° - 15° = 30°
(a + b) = 45° + 15° = 60°
Now,
⇒
⇒
⇒
⇒
⇒
⇒ 2 - √3
∴ The simplified value is 2 - √3.
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