Show that :( sin 8 + cosec 0) 2 + ( cos 0 + sec 0 )2 = 7 + tan 2 0
+ cot 2 0
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Answer:
=(sinA+cosecA)²+(cosA+secA)²
=sin²A+cosec²A+2sinAcosecA+cos²A+sec²A+2cosAsecA
=sin²A+cos²A+cosec²A+sec²A+2sinA×1/sinA+2cosA×1/cosA
=1+cosec²A+sec²A+2+2
=5+(1+cot²A)+(1+tan²A)
=7+tan²A+cot²A
Step-by-step explanation:
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