Question

Find value of cos(90-A)×cosecA-tan(90-A)×tanA.​

Answer 1

Answer:

Answer is zero

Step-by-step explanation:

=cos(90-A)×cosecA-tan(90-A)×tanA

Sin A × cosec A - Cot A × Tan A (Cos (90- A=SinA)

=Sin A × 1/sina - Cot A × 1/ cot A

=1 - 1

= 0

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