Question

Question 1.
Find the value of sec² 42° – cosec² 48°.​

Answer 1

Answer:

Answer:

Value of sec² 42° - cosec² 48° = 0

Step-by-step explanation:

Value of sec² 42° - cosec² 48°

= Sec² 42° - Cosec² ( 90° - 42° )

= Sec² 42° - Sec² 42°

= 0

Therefore.,

Value of sec² 42° - cosec² 48° = 0

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Answer 2

Answer:

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