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If sin 3A=cos(A+100), where 3A is an acute angel, then what is the value of $$2cosec{3A\over2}+6sin^23A-{3\over 2}tan^2\ 3A$$?
5Q:
If sin 3A=cos(A+100), where 3A is an acute angel, then what is the value of $$2cosec{3A\over2}+6sin^23A-{3\over 2}tan^2\ 3A$$?
- 14true
- 2$$7\over 4$$false
- 35false
- 4$$17\over 2$$false
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