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If sinA/√ (1 – sin2A) = x, then the value of x is?
- AtanA
- BcotA
- CcosecA
- DcosA
Answer not set
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0
CCommunity
⇒ sinA/√(1 – sin2A) = x
? 1 – sin2A = cos2A
⇒ sinA/√cos2A = x
⇒ sinA/cosA = x
⇒ tanA = x
? 1 – sin2A = cos2A
⇒ sinA/√cos2A = x
⇒ sinA/cosA = x
⇒ tanA = x
0
CCommunity
Sinø/√1-sin2ø
Sinø/√cos2ø(by using 1-sin2ø=cos2ø
Sinø/cosø=tanø
Sinø/√cos2ø(by using 1-sin2ø=cos2ø
Sinø/cosø=tanø