Question

plz do fast..................................

Answer 1

5 sin(theta) - 7 cos(theta) = 0

5 sin(theta) = 7 cos(theta)

cos(theta) = 5 sin(theta)/7 ----------(1)

sec(theta) = 1/cos(theta)

sec(theta) = 1/ (5 sin(theta)/7)

∴ sec(theta) = 7/5 sin(theta)

Hope you understood.

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