46. Determine which of the following is an identity. cos 2a CSC a sin α(cos² α-1) cot a 1+ cos a O A. 1 sin α + tan a 2 tan a 1-tan² a О в. sin 2α cos a cot a = 1-sec 2α 2(1-sin² a) cot a

Q: Which of the following shows the simplified form of 1 sin x cosx ?

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Q: (1–tan? x) = cos x on the domain 0 < x < 2T. Solve (1+tan? z) 27 O T, 3 п, 품, 뚱, 47 3 27 O , , 2ㅠ 57…

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Q: 5 sin a -3 cos a If 5 tan a = 4, Show that 5 sin a +2 cos a 116

A: Given: 5 tanα=4

Q: Which of the following identities is FALSE? O tan? 0+1= csc2 e CSC O tan 0 sin 0 cos e O sin 0+ cos…

A:

Q: m -1 :If tan A = n tan B and sin A = m sin B, prove that cos A = n -1

A: Given that  tan A=n tan B sin Acos A=nsin Bcos B ................equation 1 also given that  sin A=m…

Q: 8 5 cos a sin xd

A:

Q: Evaluate [ (cos² 0 + 2 csc² 0 + sin² 0) do .

A: