sanafaruqhalabja sanafaruqhalabja

09-04-2022
Mathematics

contestada

Please I need step by step solution.
Q/ sin135° Use half angle identity.

Respuesta :

devishri1977 devishri1977

09-04-2022

Answer:

Step-by-step explanation:

Sin (90 + Ф ) =Cos Ф

135° = 90 + 45

Sin 135° = Sin (90 + 45)

= Cos 45°

[tex]= \dfrac{1}{\sqrt{2}}[/tex]

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