Last updated at Dec. 8, 2016 by Teachoo
Express the ratios cos A, tan A and sec A in terms of sin A.
tan A = 𝒔𝒊𝒏〖 𝑨〗/𝒄𝒐𝒔〖 𝑨〗
Putting value of cos A
tan A = sin〖 𝐴〗/√(1 − 𝑠𝑖𝑛2 𝐴)
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