6. tan 8 + tan 28 + tan 8 tan 28 = 1.
[उ. प्र. 2013 (CU)]
7.
यदि 7 और 8 समीकरण a cos 28 + b sin 28 = c के
सन्तुष्ट करते हों, तो सिद्ध कीजिए :
a+ac+
|
cos° 0 + cos B =
ate
del
cos a cos ß
22? +b?
I sin
= cd
Answers
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Step-by-step explanation:
For question 6:
tan 8 + tan 2+ tan 8 tan 28 = 1
tan 8 + tan 2 = 1- tan 8 tan 28
Dividing throughout by 1-tan 8 tan 28
Which is not possible...
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