Question
If cosB = sin(1.5B - 15°), then find the measure of
'B'.Solution
We know that, cosA = sin(90° - A) cosB = sin(1.5B - 15°) Or, sin(90° - B) = sin(1.5B - 15°) Or, 90° - B = 1.5B - 15° Or, B + 1.5B = 90° + 15° So, B = (105° / 2.5) = 42°
What milestone was achieved with India’s test of the K4 ballistic missile?
How many individuals were selected for Padma Awards in 2024 across both civil investiture ceremonies?
Which Indian player has broken the national and Asian records in shot-put?
The visual marker associated with ‘Valid UPI’ handles is described as a:
Who is the new ambassador from India to Saudi Arabia?
What is the GST rate likely to be applied to pre-packaged cereals, pulses, and flour packets of over 25 kg?
Who did Praggnanandhaa defeat in the final round of UzChess Cup Masters 2025 to secure the title?
Which initiative was launched by the Union Education Ministry to provide technical terms in 22 Indian languages?
What is the main focus of the India-Thailand joint military Exercise MAITREE?
Abu Dhabi Investment Authority (ADIA) backed IIFL Home Finance has raised about ________ from the International Finance Corporation (IFC) for affordable...
