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(1+sinA)(1+sinB)(1+sinC) = (1-sinA)(1-si...

(1+sinA)(1+sinB)(1+sinC) = (1-sinA)(1-sinB)(1-sinC) = `k rArr k`=

A

`pm sin A sin B sin C`

B

`pm cos A cos B cos C`

C

`pm sec A sec B sec C`

D

`pm cosec A cosec B cosecC`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-TRIGONOMETRIC RATIOS-PRATICE SHEET (EXERCISE) (LEVEL-I(MAIN) (SINGLE ANSWER TYPE QUESTIONS)
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