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hodyreva [135]
3 years ago
13

In right triangle ABC, sin M = cos 61. If 0

Mathematics
1 answer:
Eva8 [605]3 years ago
8 0

Note: Consider we need to find the value of M if 0^\circ

Given:

In a right triangle ABC,

\sin M=\cos 61^\circ

To find:

The value of M.

Solution:

We have,

\sin M=\cos 61^\circ

It can be rewritten as:

\sin M=\cos (90^\circ-29)^\circ

\sin M=\sin 29^\circ                   [\because \sin (90^\circ-\theta)=\sin \theta]

On comparing both sides, we get

M=29^\circ

Therefore, the value of M is 29 degrees.

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