Math, asked by superfy67, 1 year ago

2(sin2x+2cos^2x-1) _________________
cosx-sinx-cos3x+sin3x

Answers

Answered by Anonymous
15
★ TRIGONOMETRIC EQUATIONS ★

☣ 2 ( SIN2x + 2 COS²x - 1 )
˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙
COSx - COS3x + SIN3x - SINx

☣ 2 [ sin2x + cos2x ]
˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙
2sin2xsinx + 2sinxcos2x

☣ 2[ sin2x + cos2x ]
˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙
2sinx[ sin2x + cos2x ]

☣ 2/ 2 sinx = 1/ sinx = cosecx

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