Question

prove that : (image)

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Answer 1

Step-by-step explanation:

I will write a in place of theta.

sec a = 1/cos a

cosec a = 1/sin a

ii) sin a cos a sec a cosec a

= sin a cos a × 1/cos a × 1/sin a = 1

iv) sin a cosec a + cos a + sec a

= sin a × 1/sin a + cos a + 1/cos a

= 1 + 1 = 2

Answer 2

Answer:

Refer attached image for your answer.