If a × cos x + b × cos x = c, then the value of (a × sin x – b²cos x)² is *
(a) a² + b² + c²
(b) a² – b² – c²
(c) a² – b² + c²
(d) a² + b² – c²
Answers
Answered by
0
Answer:
c. is the answer
Step-by-step explanation:
hope it will help you
Answered by
1
Answer:
the correct answer is d.
a²+b²-c²
Step-by-step explanation:
hint we have
(a×cos x+b× sin x)² + (a×sin x-bx cos x)²=a²+b²
c²+(axsinx-b×cos ×)²=a²+b²
(ax sin x-bx cos x)²=a²+b²-c
I hope this is helpful for you
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