Sin Sin 77

sin77   sin77 sin 77 sin77 sin77 यदि sin 77° = x हो, तो cos 77° का मान x के पदों में बताएँ। mesin777 Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and

mesin777 Find the value of `sin5^@+sin77^@+sin149^@+…+sin293^@` Nilai dari sin 58° sin 77°- cos 58° cos 77° - 8680097.

sin77 Given that Cos 77°=b express each of the following in terms of b: Sin 77°, tan 13°, sin 257. Find the value of `sin5^@+sin77^@+sin149^@+…+sin293^@`