App Logo

No.1 PSC Learning App

1M+ Downloads

Find cos4Asin4A.cos^4 A - sin^4 A.

Asin² A +cos² A

Bcos2A

C0

D2

Answer:

B. cos2A

Read Explanation:

cos⁴(A) - sin⁴(A) = cos(2A)


Related Questions:

In the figure <BOX = t⁰ , Coordinates of B are (½,½). What is sin t?

WhatsApp Image 2024-12-15 at 15.07.32.jpeg

In the figure, AB=4 centimetres, BC =5 centimetres. <B=90° cos C is:

In the figure <CAB=30°, <CPB=60°. AP 10 centimeters. Area of the rectangle ABCD is.............................. square centimeters.

WhatsApp Image 2024-11-30 at 10.23.08.jpeg

If tan x = cot(45° + 2x), then what is the value of x?

If tan 45 + sec 60 = x, find the value of x.