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Sin4A - cos4A = sin2A

  1. 1/sin2A+cos4A/sin4A
    1. answers icon 2 answers
    2. rp asked by rp
    3. views icon 798 views
  2. Sin4A - cos4A = sin2A - cos2ACan i just square root the left side??:O
    1. answers icon 2 answers
    2. Kristien asked by Kristien
    3. views icon 756 views
  3. 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B)2.1Prove that sin2A+2cosA-2cos^3A/1+sinA =sin2A 2.2
    1. answers icon 5 answers
    2. tshepo asked by tshepo
    3. views icon 1,044 views
  4. 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B)2.1Prove that sin2A+2cosA-2cos^3A/1+sinA =sin2A 2.2
    1. answers icon 1 answer
    2. OwamIII asked by OwamIII
    3. views icon 709 views
  5. f(a)=sin2a(10^sin2a). find f'(a)
    1. answers icon 1 answer
    2. jack asked by jack
    3. views icon 284 views
  6. Using exact values, find the value of:a. 12 sin 30 degrees ¨C 6 tan 45degrees + sec 45degrees / 52 12-1/2-6*(1) +
    1. answers icon 2 answers
    2. Anon asked by Anon
    3. views icon 1,018 views
  7. cosA=1/2 than cos4A=?
    1. answers icon 4 answers
    2. ARUN asked by ARUN
    3. views icon 513 views
  8. prove that sin(2a+6b) + sin(6a+2b)/sin4a + sin4b = cos(2a+2b)
    1. answers icon 1 answer
    2. reeta asked by reeta
    3. views icon 644 views
  9. Let A=(cosA -sinA)(sinA cosA) show that A^2=(cos2A sin2A) (sin2A cos2A)
    1. answers icon 1 answer
    2. James asked by James
    3. views icon 682 views
  10. If sinA+tanA=p then sin2A?
    1. answers icon 3 answers
    2. sairam asked by sairam
    3. views icon 593 views