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17.) If sin(x - y), sin x and sin(x + y)...

17.) If sin(x - y), sin x and sin(x + y) are in H.P., thensinx. sec} -(1) 2(2) JE(3) – JE(4) – 2

A

2

B

`sqrt(2)`

C

`-sqrt(2)`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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