1.

(secA+tanA) (1-sinA) pls solve this

Answer» CosA
=cos A/sinA+ sinA/cosA × (1-sinA )=1/sinAcosA × 1- sinA=1- sinA/sinAcosA=1/sinAcosA - sinA/ sinAcosA=cosecAsecA- 1/cosA=cosecAsecA-secA=secA(cosecA - 1)
Cos Φ


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