Question

If 3x cosec 45º = sec 45°, then the value of x is​

Answer 1

Answer:

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Step-by-step explanation:

tan 3x = sin 45° cos 45° + sin 30° ⇒ tan 3x = 1/√2 × 1/√2 + 1/2 ⇒ tan 3x = 1/2 + 1/2 ⇒ tan 3x = 1 ⇒ tan 3x = tan 45° ⇒ 3x = 45° ⇒ x = 15°Read more on Sarthaks.com - https://www.sarthaks.com/752907/if-tan-3x-sin-45-cos-45-sin-30-then-find-value-of-x?show=752908#a752908