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Akanksha Qabeel Solanki
Asked: 2022-11-02T06:55:02+05:30 In:

If `cos^(2)theta-sin^(2)theta=tan^(2)alpha,` `”then” : sqrt2 * cos theta * cos alpha=….`A) `sin theta * sin alpha`B)1 C)`tan^(2)theta` D)none of these
A. `sin theta * sin alpha`
B. 1
C. `tan^(2)theta`
D. none of these

If `cos^(2)theta-sin^(2)theta=tan^(2)alpha,` `”then” : sqrt2 * cos theta * cos alpha=….`A) `sin theta * sin alpha`B)1 C)`tan^(2)theta` D)none of these
A. `sin theta * sin alpha`
B. 1
C. `tan^(2)theta`
D. none of these
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  1. Correct Answer – B

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