Question

if sin 90 degrees,secant 60 degree, tan square and are in AP then find acute angle​

Answer 1

Answer:

Ethanol is manufactured by reacting ethene with steam. The catalyst used is solid silicon dioxide coated with phosphoric(V) acid. The reaction is reversible. Only 5% of the ethene is converted into ethanol at each pass through the reactor.

Answer 2

Answer:

The acute angles are 60 dg. & 30 dg. (dg.=degree)

Answer:

90°) is 0 to 90 degrees excluding 0° and 90°; [0°, 90°] is 0 to 90 degrees including 0° and 90°. Acute angles are between 0° and 90° exclusive, so the