Find the exact value of tan alpha - beta cos 2alpha and sin


I need help understanding how to solve the following problem:

Find the exact value of tan (α - β), cos 2α, and sin β/2 under the given conditions:

cos α =√5/5, 0<α<π/2; sin β = -4/5, - π/2<β<0

Solution Preview :

Prepared by a verified Expert
Algebra: Find the exact value of tan alpha - beta cos 2alpha and sin
Reference No:- TGS01364077

Now Priced at $10 (50% Discount)

Recommended (95%)

Rated (4.7/5)