CBSE Class 10 Answered
Cos a=12/3 then find sin a tan a sec a
Asked by bollamramesh98 | 26 Sep, 2019, 20:52: PM
The question should be like this
In triangle ABC, Cos A = 12/13 then find sin A tan A sec A
Cos A = 12/13 then sec A = 13/12
Using Pythagoras in triangle ABC
AB2 + BC2 = AC2
122 + BC2 = 132
BC = 5
sin A = 5/13, tan A = 5/12
Answered by Sneha shidid | 27 Sep, 2019, 09:36: AM
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