Verify the identity. (3 cos 0-6 sin 0)2 + (6 cos 0+3 sin 0)2 = 45...

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Answer 1

Answer #1

= (3C050)2+(6s mos— 2(3(050) (6 Sino+(600SO)? +(3 Sino)? + 2(6COSO) (38ino) 1960s 0+365ino 36 SDAO COS O +3620s? (30050 - 6 s

Answer 2

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