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HOW TO PROVE(1+COS180/8)(1+COS3*180/8)(1+COS5*180/8)(1+COS7*180/8)=1/8
HOW TO PROVE(1+COS180/8)(1+COS3*180/8)(1+COS5*180/8)(1+COS7*180/8)=1/8
1 answer
asked by
BIMAL
1,617 views
Guys please help me with this Trigonometry question based on De Moivre's theorem.
Q: Find ¦È such that 0¡Ü¦È¡Ü360.
1 answer
asked by
Nye
546 views
Verify that following are identities:
1. cos 3t = 4 cos³ t-3 cos t 2. sin 4x = 8 sin x cos³ x-4 x cos x (use a double-angle
1 answer
asked by
PDF
753 views
Differentiate g(x) = cos5
(4x).
1 answer
asked by
Psy
103 views
State the exact value of cos5𝜋/3
1 answer
asked by
Scott
150 views
Find the exact value of cos7(pi)/12 using sum and/or difference identities.
2 answers
asked by
Michael
638 views
given that sin (90-5 t ta )=cos180 - t ta...find d value of t ta
3 answers
asked by
mercy
524 views
Evaluate the integral by making the given substitution. (Use C for the constant of integration.)
cos7(𝜃) sin(𝜃) d𝜃, u =
1 answer
asked by
benny
27 views
Simplify cos180*sin225*cos80/sin170*tan135
1 answer
asked by
kem
525 views
Cos180* - Sin90* + Cot45* - Csc30* - Sec240* - Tan315*
How do I do this?
2 answers
asked by
Victoria
439 views