Question #2711
Show that:-
(i) sin 18° = (√5-1)/4
(ii)Evaluate tan 11.¼°
(i) sin 18° = (√5-1)/4
(ii)Evaluate tan 11.¼°
Expert's answer
& i)
sin 18°& = 0.309
(√5-1)/4& = 0.309
ii) tan 11.¼°& = tan 11.25°& = 0.20345
sin 18°& = 0.309
(√5-1)/4& = 0.309
ii) tan 11.¼°& = tan 11.25°& = 0.20345
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#339914 on Dec 2023
#339914 on Dec 2023