Question

1
Show that 1/cos0 -
cos 0 = tan 0.sin 0 (0º<O<90°).​

Answer 1

Answer:

1/cos0 - cos0

By taking LCM,

1-cos^2 0/ cos0

By identity,

= sin^2 0 /cos0

= sin0 × sin0 / cos0

= tan0 × sin0

Step-by-step explanation:

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